1 00:00:06,090 --> 00:00:07,508 So, one of the things we do 2 00:00:07,592 --> 00:00:10,094 is we'll just play them this sound sequence. 3 00:00:10,178 --> 00:00:12,096 [rapid dripping] 4 00:00:12,972 --> 00:00:16,100 And then we ask them to rate on a scale from one to five... how much it sounded exactly like environmental sound 5 00:00:20,563 --> 00:00:21,939 or exactly like music. 6 00:00:22,231 --> 00:00:24,233 [rapid dripping] 7 00:00:24,442 --> 00:00:26,986 [Margulis] The first time it sounds pretty straightforwardly 8 00:00:27,070 --> 00:00:28,529 like environmental sound to them. 9 00:00:28,613 --> 00:00:31,365 It's like three or four repetitions in and everyone starts laughing. 10 00:00:31,449 --> 00:00:32,867 -[laughter] -The mean rating just gets higher and higher. 11 00:00:34,452 --> 00:00:36,204 [narrator] Music starts as sound, 12 00:00:36,662 --> 00:00:39,791 but something happens in the brain and it transforms. 13 00:00:40,833 --> 00:00:43,252 Repetition is one thing that can flick the switch. 14 00:00:43,920 --> 00:00:45,755 [Margulis] The sound signal's exactly the same, 15 00:00:45,838 --> 00:00:48,382 yet the experience feels really different. 16 00:00:49,050 --> 00:00:51,636 [narrator] But this is just the start of the mystery of music. 17 00:00:52,887 --> 00:00:54,889 It can help people relearn how to speak. 18 00:00:54,972 --> 00:00:57,308 [both] ♪ How are you? ♪ 19 00:00:57,391 --> 00:00:59,685 [narrator] It can help patients with movement disorders, 20 00:00:59,769 --> 00:01:00,978 like Parkinson's disease, 21 00:01:01,062 --> 00:01:02,438 move more fluidly. 22 00:01:02,522 --> 00:01:06,526 I just naturally respond to the music. 23 00:01:07,110 --> 00:01:10,196 [narrator] Music behaves like a powerful drug on the rest of us, too. 24 00:01:10,279 --> 00:01:12,115 [Margulis] Similar areas activated 25 00:01:12,198 --> 00:01:15,785 that are activated during highly pleasurable experiences 26 00:01:15,868 --> 00:01:19,580 pertaining to food or sex or illicit drugs. 27 00:01:19,664 --> 00:01:22,250 [narrator] And it has a deep connection to our feelings. 28 00:01:22,667 --> 00:01:24,043 [squeals] 29 00:01:27,505 --> 00:01:30,758 [Margulis] Music itself, seems to be a cultural universal. 30 00:01:30,842 --> 00:01:32,552 We don't know about any known human culture 31 00:01:32,635 --> 00:01:35,638 that doesn't have something that we think about as music. 32 00:01:35,721 --> 00:01:37,849 [narrator] And we've found musical instruments 33 00:01:37,932 --> 00:01:40,268 as old as human cave paintings. 34 00:01:41,144 --> 00:01:43,938 Nearly every person is born with a taste for music. 35 00:01:44,021 --> 00:01:48,484 But, as far as we know, other primates don't really share our sense of beat. 36 00:01:48,568 --> 00:01:50,820 They just don't seem to get rhythm the same way we do. 37 00:01:51,070 --> 00:01:53,072 [narrator] So, what is music? 38 00:01:53,656 --> 00:01:55,783 Why is it so universal among humans? 39 00:01:56,242 --> 00:01:58,953 How does sound become something more? 40 00:02:04,834 --> 00:02:06,627 [upbeat music] 41 00:02:40,745 --> 00:02:43,039 [narrator] A world without music is hard to imagine. 42 00:02:43,331 --> 00:02:44,916 [woman] As we live our lives, 43 00:02:45,750 --> 00:02:46,918 there's always music around us. 44 00:02:47,001 --> 00:02:48,461 [radio] It's very important to us... 45 00:02:49,170 --> 00:02:52,423 [woman] Whether it's something playing out of someone's car stereo on the street, 46 00:02:52,506 --> 00:02:55,051 the coffee house you're going to, 47 00:02:55,509 --> 00:02:56,969 the mall, the radio... 48 00:02:57,053 --> 00:02:58,387 it's always around us. 49 00:02:58,971 --> 00:03:00,973 It's strange when it doesn't exist at all. 50 00:03:01,057 --> 00:03:05,102 [narrator] Jennifer Lee is a music producer and DJ  known as TOKiMONSTA, 51 00:03:05,186 --> 00:03:08,314 and she's one of extraordinarily few hearing people 52 00:03:08,397 --> 00:03:10,858 who's ever experienced a world without music. 53 00:03:11,359 --> 00:03:13,194 I couldn't tell that there was a melody. 54 00:03:13,277 --> 00:03:15,821 It just sounded like... white noise 55 00:03:15,947 --> 00:03:18,574 or like loud, metallic noise. It was sharp. 56 00:03:18,658 --> 00:03:21,410 If you can't understand music, it just becomes noise. 57 00:03:21,994 --> 00:03:24,455 [narrator] To understand why this experience is so rare, 58 00:03:24,705 --> 00:03:26,874 let's go back to before Jen lost music. 59 00:03:27,667 --> 00:03:29,669 [gentle electronic music] 60 00:03:30,127 --> 00:03:32,213 This one of the most simple songs I've ever made. 61 00:03:32,797 --> 00:03:35,132 [narrator] But hearing a simple song isn't simple at all. 62 00:03:35,591 --> 00:03:38,219 Listening to music, and especially making music 63 00:03:38,552 --> 00:03:40,972 draws on all kinds of different faculties. 64 00:03:41,055 --> 00:03:42,056 [narrator] Before we hear it, 65 00:03:42,265 --> 00:03:44,100 all music is just air. 66 00:03:44,642 --> 00:03:45,977 [Patel] Sound starts as air vibrations, 67 00:03:46,060 --> 00:03:47,979 which then move our eardrums 68 00:03:48,062 --> 00:03:50,439 and then little bones and then finally fluid in the cochlea, 69 00:03:50,523 --> 00:03:52,483 and that triggers hair cells to fire. 70 00:03:52,566 --> 00:03:53,818 It's really wonderfully complicated. 71 00:03:53,901 --> 00:03:55,319 [narrator] And a repeating sound 72 00:03:55,403 --> 00:03:58,656 creates one of the most basic aspects of music: rhythm. 73 00:03:59,115 --> 00:04:02,493 I had it looping, and then it created an energy or a vibe. 74 00:04:02,576 --> 00:04:03,953 I was like, "This sounds deep." 75 00:04:04,328 --> 00:04:06,747 Many parts of our auditory system are very ancient 76 00:04:06,831 --> 00:04:08,582 and are shared with a lot of other animals. 77 00:04:09,208 --> 00:04:12,336 [narrator] Our reptilian brain, the brain stem and cerebellum, 78 00:04:12,670 --> 00:04:15,214 help us create the rhythmic patterns necessary to walk. 79 00:04:15,881 --> 00:04:17,091 That's widespread. 80 00:04:17,675 --> 00:04:19,010 But what's incredibly rare, 81 00:04:19,093 --> 00:04:20,803 is our ability to feel a beat... tempo, beats per minute. 82 00:04:23,264 --> 00:04:26,350 [Jen] It is the most simple, most basic rhythm in our life. 83 00:04:26,767 --> 00:04:28,019 It is how our heart beats. 84 00:04:28,102 --> 00:04:30,604 Higher BPM songs that are faster 85 00:04:30,855 --> 00:04:32,315 tends to make us move faster, 86 00:04:32,398 --> 00:04:33,607 raises our heartbeat. 87 00:04:33,774 --> 00:04:35,693 Like, it goes back to the core of who we are. 88 00:04:36,152 --> 00:04:37,361 [narrator] Try tapping along. 89 00:04:37,445 --> 00:04:39,780 [Patel] We predict the timing of the metronome clicks, right, 90 00:04:39,864 --> 00:04:42,116 where taps are like very close in time to the metronome. 91 00:04:42,325 --> 00:04:44,118 You can't do that by waiting for the click. 92 00:04:44,201 --> 00:04:45,494 You'd be reacting. You'd be late. 93 00:04:46,412 --> 00:04:48,914 [narrator] Rhesus monkeys just can't do it. 94 00:04:49,248 --> 00:04:51,917 With lots of training, monkeys always seem to still react 95 00:04:52,001 --> 00:04:52,960 rather than predict. 96 00:04:53,502 --> 00:04:56,964 [narrator] Feeling a beat requires strong connections between parts of the brain, 97 00:04:57,048 --> 00:04:58,966 which are very rare in the animal world. 98 00:04:59,884 --> 00:05:01,677 In fact, scientists weren't sure 99 00:05:01,761 --> 00:05:04,597 that any other animals could move to a beat like we do... 100 00:05:04,889 --> 00:05:06,599 until 2009. 101 00:05:07,183 --> 00:05:10,019 I was just amazed when I saw this video 102 00:05:10,102 --> 00:05:12,396 of a cockatoo seeming to move to the beat of music. 103 00:05:12,480 --> 00:05:14,690 [pulsating music] [narrator] Put on the Backstreet Boys and... bam! 104 00:05:17,360 --> 00:05:19,111 [pulsating beat] 105 00:05:19,695 --> 00:05:21,572 [audience hums along] 106 00:05:24,241 --> 00:05:26,494 [narrator] So Patel put together an experiment. 107 00:05:26,577 --> 00:05:29,497 Could Snowball match the song played at different tempos? 108 00:05:29,580 --> 00:05:31,290 [Patel] And the bottom line was he did. 109 00:05:31,374 --> 00:05:34,001 And this provided the first experimental evidence 110 00:05:34,085 --> 00:05:36,587 that another animal could move to the beat of music. 111 00:05:36,879 --> 00:05:38,839 [narrator] And now Snowball isn't alone. 112 00:05:39,590 --> 00:05:41,592 ["Boogie Wonderland" playing] 113 00:05:41,884 --> 00:05:43,844 [narrator] Ronin, a sea lion in California, 114 00:05:44,095 --> 00:05:45,971 is the first non-human mammal 115 00:05:46,055 --> 00:05:48,516 confirmed to really groove to Earth, Wind & Fire. Bonobos, our close evolutionary cousins, 116 00:05:52,645 --> 00:05:54,021 can tell if there is a beat. 117 00:05:54,605 --> 00:05:57,024 Though the jury's out if they can synchronize to it. 118 00:05:57,983 --> 00:06:01,237 But the ability to tap out a beat is only one part of music. 119 00:06:01,779 --> 00:06:03,114 [rapidly increasing beat] 120 00:06:03,197 --> 00:06:05,950 [narrator] If a sound repeats fast enough, we hear it as pitch. 121 00:06:06,992 --> 00:06:09,161 Sure, many other animals seem to perceive pitch. 122 00:06:09,245 --> 00:06:10,329 In terms of individual tones, 123 00:06:10,413 --> 00:06:11,789 they probably perceive them like we do. 124 00:06:12,331 --> 00:06:14,375 [narrator] Many species' brains, including ours, 125 00:06:14,667 --> 00:06:18,421 have neurons that fire at the exact frequency of the sound coming in. 126 00:06:19,088 --> 00:06:21,715 If you place electrodes on these three spots on your head 127 00:06:21,799 --> 00:06:22,883 and listen to this... 128 00:06:23,050 --> 00:06:24,593 [rich-toned beat] 129 00:06:24,677 --> 00:06:28,139 the electrical signal from those electrodes would sound like this. 130 00:06:28,222 --> 00:06:30,224 [duller, tinnier beat] 131 00:06:30,891 --> 00:06:32,643 [narrator] Playing multiple pitches at the same time 132 00:06:32,726 --> 00:06:35,479 unlocks another feature of music: harmony. 133 00:06:35,771 --> 00:06:37,606 All these kinds of cultures tend to recognize 134 00:06:37,690 --> 00:06:39,817 that this relationship is special. 135 00:06:40,151 --> 00:06:41,569 [ethereal, quivering notes] 136 00:06:41,694 --> 00:06:43,779 If you ask men and women to sing in unison, 137 00:06:43,863 --> 00:06:46,240 what typically happens is they actually sing an octave apart. 138 00:06:46,699 --> 00:06:50,077 [narrator] Octaves are pitches with double or half the frequency of another. 139 00:06:50,703 --> 00:06:52,663 That kind of sense of equivalence 140 00:06:52,830 --> 00:06:54,206 is very widespread in human culture. 141 00:06:54,290 --> 00:06:56,000 [narrator] And that special relationship 142 00:06:56,083 --> 00:06:58,294 might explain why the opening of this song 143 00:06:58,419 --> 00:06:59,587 is so memorable. 144 00:06:59,962 --> 00:07:04,800 ♪ Somewhere over the rainbow... ♪ 145 00:07:04,884 --> 00:07:06,802 [narrator] The first two notes are an octave. 146 00:07:06,886 --> 00:07:08,888 [Judy Garland] ♪ Somewhere... ♪ 147 00:07:09,346 --> 00:07:10,806 ♪ Somewhere... ♪ 148 00:07:10,890 --> 00:07:12,641 [narrator] Intervals like this one are crucial. 149 00:07:13,017 --> 00:07:16,270 Every culture divides the space between octaves into scales. 150 00:07:17,521 --> 00:07:20,149 Most of us remember melody by the relative pitch, 151 00:07:20,483 --> 00:07:22,026 the space in between notes, 152 00:07:22,318 --> 00:07:24,069 like this melody starting on C. 153 00:07:24,361 --> 00:07:26,280 [Anderson .Paak] ♪ My new fire ♪ 154 00:07:26,739 --> 00:07:28,699 ♪ You ought to come to light me... ♪ 155 00:07:28,908 --> 00:07:31,827 [narrator] Starting on an F, it still sounds like the same melody. 156 00:07:31,911 --> 00:07:33,996 [higher] ♪ My new fire ♪ 157 00:07:34,246 --> 00:07:36,248 ♪ You ought to come to light me... ♪ 158 00:07:36,665 --> 00:07:38,626 [narrator] It's just not like this for birds. 159 00:07:38,918 --> 00:07:42,004 [Patel] You can train them to recognize melody A from melody B. No problem. 160 00:07:42,671 --> 00:07:44,840 Transpose those melodies, move them up or down in pitch, 161 00:07:44,924 --> 00:07:46,300 they have no idea what those things are. 162 00:07:46,467 --> 00:07:48,928 They have to relearn them as if they're brand new melodies. 163 00:07:49,011 --> 00:07:49,970 They don't recognize them anymore. 164 00:07:50,429 --> 00:07:51,764 [narrator] Then there's timbre, 165 00:07:51,972 --> 00:07:54,099 the quality of sound that distinguishes pitch 166 00:07:54,350 --> 00:07:56,310 -if played on a bassoon... -[deep, warm note] 167 00:07:56,393 --> 00:07:57,895 -baritone sax... -[lighter note] 168 00:07:58,020 --> 00:07:58,979 or a bowl. [ringing note] 169 00:08:00,147 --> 00:08:02,775 [narrator] Most people perceive timbre like they perceive color. 170 00:08:03,108 --> 00:08:04,276 It's a thing you can name. 171 00:08:04,360 --> 00:08:06,904 [voices harmonize] 172 00:08:08,030 --> 00:08:11,116 [narrator] Lots of animals can process one or more of these components. 173 00:08:12,034 --> 00:08:15,412 Some types of crabs and fireflies synchronize with each other, 174 00:08:16,080 --> 00:08:17,665 but only at one tempo. 175 00:08:18,165 --> 00:08:20,668 Some birds, like Snowball, can feel a beat, 176 00:08:21,126 --> 00:08:23,587 but have no understanding of relative pitch. 177 00:08:24,547 --> 00:08:27,132 Rhesus monkeys can understand octave equivalence, 178 00:08:27,383 --> 00:08:28,759 but can't feel a beat. 179 00:08:29,885 --> 00:08:32,137 Combined with our capacity for language and memory, 180 00:08:32,721 --> 00:08:35,182 only humans put the entire puzzle together. 181 00:08:36,600 --> 00:08:38,978 ♪ And for realla, baby... ♪ 182 00:08:42,815 --> 00:08:44,567 [Jen] Give it up for Anderson .Paak, you guys. 183 00:08:44,650 --> 00:08:46,485 [narrator] How musicians assemble these pieces 184 00:08:46,569 --> 00:08:47,861 triggers another aspect of music 185 00:08:47,945 --> 00:08:50,948 that's, as far as we know, uniquely human: 186 00:08:51,532 --> 00:08:53,701 its deep connection to our feelings. 187 00:08:54,410 --> 00:08:55,578 Take the song "Frère Jacques." 188 00:08:56,161 --> 00:08:58,455 ["Frère Jacques" playing] 189 00:09:02,459 --> 00:09:05,254 [narrator] It's in the major scale, which, in Western music, 190 00:09:05,337 --> 00:09:07,339 is associated with happy feelings. 191 00:09:07,631 --> 00:09:10,384 Other cultures have their own ways of expressing those mood differences 192 00:09:10,467 --> 00:09:13,178 that don't map on easily to our major and minor system. 193 00:09:13,262 --> 00:09:14,972 [narrator] Listen to this Balinese scale. 194 00:09:15,556 --> 00:09:17,558 [gentle chiming] 195 00:09:19,310 --> 00:09:21,770 For a Balinese person, they will really think that is quite sad. 196 00:09:22,521 --> 00:09:26,442 [narrator] Major meaning happy and minor meaning sad is not universal. 197 00:09:26,525 --> 00:09:29,153 For a Western ear, it might sound pretty happy, 198 00:09:29,570 --> 00:09:32,573 but Balinese will associate that with ceremonial rites 199 00:09:32,656 --> 00:09:34,366 and particularly cremations. 200 00:09:34,742 --> 00:09:38,162 [narrator] But meaning accumulating based on the scale system of your culture, 201 00:09:38,454 --> 00:09:39,872 that is universal. 202 00:09:40,289 --> 00:09:42,041 And that meaning is built over centuries. 203 00:09:42,124 --> 00:09:44,126 [poignant string music] 204 00:09:45,127 --> 00:09:48,922 [narrator] Monteverdi wrote his "Lamento della Ninfa" in the 1600s... 205 00:09:49,757 --> 00:09:52,301 with a bass line simply descending the minor scale. 206 00:09:54,261 --> 00:09:55,846 In the hundreds of years since, 207 00:09:56,138 --> 00:09:59,433 composer after composer has used the exact same baseline 208 00:09:59,516 --> 00:10:00,643 to express lament. 209 00:10:02,269 --> 00:10:03,354 ♪ Hit the road, Jack ♪ 210 00:10:03,812 --> 00:10:07,358 ♪ And don't you come back no more, no more, no more, no more... ♪ 211 00:10:08,108 --> 00:10:10,611 [narrator] And with each repetition, its meaning grows. 212 00:10:11,111 --> 00:10:13,864 ♪ ...down in New Orleans... ♪ 213 00:10:14,323 --> 00:10:15,658 [narrator] So that whenever you hear it... 214 00:10:16,116 --> 00:10:17,618 it just gets a little more powerful. 215 00:10:17,993 --> 00:10:19,912 ♪ ...you know how I feel... ♪ 216 00:10:20,788 --> 00:10:24,291 [narrator] There's something familiar about it, but something surprising, too. 217 00:10:24,750 --> 00:10:27,336 ♪ ...the love there that's sleeping... ♪ 218 00:10:27,419 --> 00:10:29,254 [narrator] We hear these melodies so often 219 00:10:29,463 --> 00:10:32,174 that the effect becomes immediate and unconscious. 220 00:10:33,384 --> 00:10:37,221 Music connects so many abilities that it's very hard to lose. 221 00:10:37,513 --> 00:10:42,643 Only an estimated 1.5% of people are born having trouble differentiating pitches. 222 00:10:43,060 --> 00:10:45,145 Far fewer have trouble feeling a beat. 223 00:10:45,437 --> 00:10:47,606 And losing music perception altogether... 224 00:10:48,315 --> 00:10:49,525 that's basically unheard of. 225 00:10:51,985 --> 00:10:55,823 In 2015, Jen noticed her body was behaving strangely. 226 00:10:56,240 --> 00:10:58,909 I had this weird symptom where I couldn't feel my foot, 227 00:10:59,451 --> 00:11:01,954 as in it just didn't exist. It felt like I had a ghost foot. 228 00:11:02,037 --> 00:11:05,958 Ten years prior, there was one neurologist that thought I could have Moyamoya. 229 00:11:06,792 --> 00:11:08,711 [narrator] Moyamoya means "a puff of smoke." 230 00:11:09,294 --> 00:11:12,881 It's a very rare condition where blood flow to the brain is constricted. 231 00:11:14,049 --> 00:11:17,136 Here is the carotid artery... a little darker. 232 00:11:17,219 --> 00:11:20,222 You see it coming up? You see how it almost disappears here? 233 00:11:20,431 --> 00:11:22,433 It's almost clotted off completely, 234 00:11:22,516 --> 00:11:25,060 and the artery that branched here is gone. 235 00:11:25,728 --> 00:11:28,021 She's not getting enough blood flow to her brain. 236 00:11:28,397 --> 00:11:30,065 They didn't know if I would die the next month 237 00:11:30,232 --> 00:11:32,609 or ten years from that point, so... 238 00:11:32,693 --> 00:11:35,863 I was diagnosed in December of 2015, 239 00:11:35,946 --> 00:11:37,322 and in January of 2016, 240 00:11:37,406 --> 00:11:39,575 I had two brain surgeries a week apart from each other. 241 00:11:40,117 --> 00:11:41,827 [narrator] Two days after the first surgery, 242 00:11:42,327 --> 00:11:43,829 Jen noticed something was wrong. 243 00:11:44,079 --> 00:11:45,831 [Jen] When I woke up, I couldn't talk anymore. 244 00:11:45,914 --> 00:11:47,916 I also lost my comprehension of speech, 245 00:11:48,000 --> 00:11:51,336 so I couldn't talk, but also suddenly couldn't understand anyone else talking. 246 00:11:51,420 --> 00:11:53,380 Imagine being in a foreign country 247 00:11:53,797 --> 00:11:56,717 and not understanding a word that was being said to you. 248 00:11:58,719 --> 00:12:01,972 I watched Portlandia a bunch when I was in recovery. 249 00:12:02,264 --> 00:12:04,683 Through that show, I realized I didn't understand music, 250 00:12:05,184 --> 00:12:06,852 because I couldn't understand the intro song. 251 00:12:09,938 --> 00:12:11,857 See, cognitively, I knew that it was a song, 252 00:12:11,940 --> 00:12:14,151 and I knew it was the"Washed Out" song, a song that I liked. 253 00:12:14,985 --> 00:12:16,987 But it didn't register the same way. 254 00:12:17,070 --> 00:12:18,864 I didn't recognize it as music. 255 00:12:19,865 --> 00:12:21,992 [narrator] To cure Jen's Moyamoya disease, 256 00:12:22,075 --> 00:12:25,412 Doctor Steinberg took an artery from each side of Jen's scalp 257 00:12:25,829 --> 00:12:28,248 and placed it on top of each side of Jen's brain. 258 00:12:28,707 --> 00:12:31,335 That piece of artery that is laying on top of your brain 259 00:12:31,418 --> 00:12:32,795 grows down these roots, 260 00:12:33,170 --> 00:12:37,216 and, essentially, now my brain is fed from the top... down 261 00:12:37,299 --> 00:12:39,051 instead of from the bottom up. 262 00:12:40,844 --> 00:12:43,597 [narrator] And these roots would've been growing all over the brain. 263 00:12:44,139 --> 00:12:47,184 [Steinberg] So, the lower processing was intact. 264 00:12:47,267 --> 00:12:51,563 The sounds were getting in, both for music and for language. 265 00:12:51,647 --> 00:12:54,107 [narrator] But the higher levels of processing 266 00:12:54,191 --> 00:12:55,776 to understand music, to speak, 267 00:12:55,859 --> 00:12:58,070 that require the cortex, were gone. 268 00:12:58,153 --> 00:13:02,115 [Steinberg] Putting together the higher-level circuits was not possible. 269 00:13:02,282 --> 00:13:04,993 It was very, very disturbing... 270 00:13:05,369 --> 00:13:06,662 and upsetting to her. 271 00:13:07,246 --> 00:13:09,498 [narrator] But far more common than losing music 272 00:13:09,706 --> 00:13:12,918 is using it to help recover something else that's been lost. 273 00:13:14,002 --> 00:13:15,879 -What is it? -Phone? 274 00:13:15,963 --> 00:13:17,756 Good try. This isn't a phone. 275 00:13:18,674 --> 00:13:20,008 This what you tell time with. 276 00:13:20,592 --> 00:13:24,680 [narrator] Former U.S. congresswoman Gabby Giffords had to relearn how to speak 277 00:13:24,763 --> 00:13:27,516 after a gunshot tore through the left side of her head. 278 00:13:27,599 --> 00:13:29,184 -With a... -Watch. 279 00:13:29,268 --> 00:13:31,103 That's it! Nice! 280 00:13:31,186 --> 00:13:33,605 [narrator] Areas critical for speech are right here... 281 00:13:33,814 --> 00:13:35,440 but even if they're damaged, 282 00:13:35,524 --> 00:13:37,985 it's possible to retrain the other side of the brain, 283 00:13:38,235 --> 00:13:41,280 where more of musical processing happens, to take over. 284 00:13:42,239 --> 00:13:45,158 [therapist] All right. Let's warm up with another little song. Okay? 285 00:13:45,242 --> 00:13:48,412 [Patel] Some of these same patients who can't get two or three words into a phrase 286 00:13:48,495 --> 00:13:50,038 can sometimes sing songs fluently. 287 00:13:50,122 --> 00:13:52,249 You wouldn't know there was something wrong with them. 288 00:13:52,332 --> 00:13:56,920 [both] ♪ You make me happy When skies are gray... ♪ 289 00:13:57,296 --> 00:14:00,883 People are taught to sing words while tapping 290 00:14:01,258 --> 00:14:04,553 and then gradually kind of piggyback on that ability. 291 00:14:04,636 --> 00:14:06,388 [narrator] And music connects to movement. 292 00:14:06,471 --> 00:14:09,224 We actually register a beat in our brain's motor system. 293 00:14:09,725 --> 00:14:12,686 That's likely why it can help people with movement disorders. 294 00:14:12,769 --> 00:14:15,856 [woman] There's something about hearing the music 295 00:14:15,939 --> 00:14:20,402 that enables me to move in a way that I wouldn't be able to on my own. 296 00:14:20,611 --> 00:14:23,572 [narrator] These effects make music seem almost like a superpower. 297 00:14:24,364 --> 00:14:26,950 That's led to some exuberant reporting about music. 298 00:14:27,034 --> 00:14:30,037 [news anchor 1] Can listening to classical music make children smarter? 299 00:14:30,120 --> 00:14:32,122 [news anchor 2] Why are hospitals handing out 300 00:14:32,205 --> 00:14:33,957 a million Mozart recordings a month? 301 00:14:34,041 --> 00:14:37,169 Why not a little Mozart to add a point or two to the IQ? 302 00:14:37,252 --> 00:14:39,421 [narrator] It doesn't really work like that. 303 00:14:39,504 --> 00:14:42,215 [Margulis] One of those myths out there about music perception 304 00:14:42,299 --> 00:14:44,134 is that there's something magic about Mozart. 305 00:14:44,760 --> 00:14:47,763 [narrator] But there is something magic about music's power over our mood. 306 00:14:48,180 --> 00:14:49,806 It doesn't have to be Mozart. 307 00:14:49,890 --> 00:14:52,643 It's been well-documented that music of any kind 308 00:14:52,726 --> 00:14:54,186 can help get anyone, 309 00:14:54,269 --> 00:14:56,730 including athletes at the very top of their field, 310 00:14:56,813 --> 00:14:58,857 in the right frame of mind to perform. 311 00:14:59,650 --> 00:15:03,946 And longer-term active participation in music can have incredible benefits. 312 00:15:04,947 --> 00:15:08,825 Kids who learn to make music early have advantages learning language. 313 00:15:09,409 --> 00:15:13,997 Our ability to remember music is also a fabulously effective teaching tool. 314 00:15:14,081 --> 00:15:16,083 [class sings] 315 00:15:19,002 --> 00:15:21,546 [narrator] And our love of synchronizing with music and each other 316 00:15:21,630 --> 00:15:23,465 confers social benefits. 317 00:15:23,548 --> 00:15:26,885 [Patel] There's a lot of interest in how music influences social cognition. 318 00:15:26,969 --> 00:15:31,515 [Margulis] When you make music together with people or listen to music in a group, 319 00:15:31,598 --> 00:15:33,809 then it feels like you have some kind of understanding 320 00:15:33,892 --> 00:15:36,853 and that you're really together in some powerful way. 321 00:15:36,937 --> 00:15:39,856 And there's experimental evidence that people treat each other better. 322 00:15:40,399 --> 00:15:43,735 [narrator] These benefits and music's universality among humans 323 00:15:43,860 --> 00:15:45,654 raise even bigger questions. 324 00:15:45,779 --> 00:15:48,824 [Patel] Humans groups faced all kinds of challenges during evolution, 325 00:15:48,907 --> 00:15:52,661 and anything that would help promote cooperation in the group 326 00:15:52,744 --> 00:15:54,121 could potentially promote survival. 327 00:15:54,246 --> 00:15:57,874 [narrator] Darwin had an evolutionary explanation for music, too. 328 00:15:57,958 --> 00:15:59,918 Oh, this one. I love this one. Yeah. 329 00:16:00,002 --> 00:16:01,503 "Musical notes and rhythm were first acquired 330 00:16:01,586 --> 00:16:03,964 for the sake of charming the opposite sex." 331 00:16:04,589 --> 00:16:06,800 [narrator] Like a peacock, that beautiful tail 332 00:16:06,883 --> 00:16:08,969 isn't necessarily helping the bird survive. 333 00:16:09,511 --> 00:16:13,181 But it might have signaled something like that at first. 334 00:16:13,265 --> 00:16:14,182 [caws] 335 00:16:14,266 --> 00:16:15,892 But often when that's the case, 336 00:16:16,685 --> 00:16:19,938 you can see some kind of progression of an ability 337 00:16:20,022 --> 00:16:24,568 as you get closer on the evolutionary tree to humans, 338 00:16:24,651 --> 00:16:27,112 that maybe there'll be more musical ability. 339 00:16:27,195 --> 00:16:29,906 But that really doesn't seem to be the case in some clear way. 340 00:16:30,741 --> 00:16:33,577 [narrator] In the animal world, musicality is all over the map. 341 00:16:34,327 --> 00:16:36,455 We're only just starting to find out 342 00:16:36,538 --> 00:16:39,124 if our love for rhythm, repetition, and harmony 343 00:16:39,207 --> 00:16:42,210 evolved gradually through the other primates. 344 00:16:43,128 --> 00:16:47,257 And the search has connected researchers from an incredibly broad array of fields. 345 00:16:49,134 --> 00:16:52,679 They mostly consider their search for answers to be in its infancy. 346 00:16:57,809 --> 00:16:59,936 Jen didn't have to live too long without music. 347 00:17:00,437 --> 00:17:02,856 Within a few weeks, her brain healed. 348 00:17:02,939 --> 00:17:05,067 What we think, in a simplistic way, 349 00:17:05,484 --> 00:17:08,862 is that the circuits are temporarily inhibited... 350 00:17:09,529 --> 00:17:13,575 and that it takes the brain some readjusting or some learning. 351 00:17:13,658 --> 00:17:17,162 Once I was back at home, I could understand music again. 352 00:17:17,245 --> 00:17:20,082 Like, I could hear it, but I couldn't make music. 353 00:17:22,834 --> 00:17:25,295 Procedurally, I still knew how to make music, 354 00:17:25,378 --> 00:17:28,965 but I didn't know how to use my ears to navigate making a song. 355 00:17:29,549 --> 00:17:30,675 I decided I would wait. 356 00:17:31,885 --> 00:17:33,804 Then a couple of weeks later, I went back in, 357 00:17:33,887 --> 00:17:38,225 overwhelmed with emotion, and made this song that was amazing. 358 00:17:38,308 --> 00:17:40,352 And it wasn't that the song was just amazing. 359 00:17:40,435 --> 00:17:42,646 I was able to mix it and make it sound good, too. 360 00:17:44,147 --> 00:17:46,691 I never worked on a song for so long in my life. 361 00:17:48,318 --> 00:17:52,489 But within three months, she was back performing at a very high level 362 00:17:52,572 --> 00:17:54,157 and entertaining and producing. 363 00:17:54,241 --> 00:17:55,742 I wanted to live every moment 364 00:17:55,826 --> 00:17:58,954 like it was the last day I'd be able to make music again. 365 00:17:59,496 --> 00:18:00,705 [fast, pulsating beat] 366 00:18:05,168 --> 00:18:07,003 [narrator] It's easy to forget that all of us 367 00:18:07,087 --> 00:18:09,131 have a superpower in having musicality. 368 00:18:09,631 --> 00:18:12,884 We can use it to learn, feel, remember, and connect. 369 00:18:12,968 --> 00:18:17,889 [Margulis] Just looking at the power that music does have, the universality, 370 00:18:17,973 --> 00:18:20,559 means that regardless of its evolutionary history, 371 00:18:20,642 --> 00:18:24,563 we can learn something really important about what it means to be human. 372 00:18:24,646 --> 00:18:28,483 It still brings back all the joy I have 373 00:18:28,567 --> 00:18:30,652 in being able to share it with people today. 374 00:18:31,069 --> 00:18:33,613 [narrator] And the trick to making any sound music: 375 00:18:34,114 --> 00:18:36,116 play it again and listen closer. 376 00:18:36,700 --> 00:18:38,994 [Patel] The fact that music gives us such intense pleasure 377 00:18:39,744 --> 00:18:41,121 may be telling us something. 378 00:18:41,413 --> 00:18:42,497 Evolution wants us to do this. 379 00:18:43,456 --> 00:18:46,877 Lightning In A Bottle! I had brain surgery two years ago. 380 00:18:46,960 --> 00:18:48,587 I'm fucking here with you right now. 381 00:18:49,671 --> 00:18:51,089 Let's all be glad to be alive. 382 00:18:52,465 --> 00:18:55,135 ♪ I wish I could be better ♪ 383 00:18:57,596 --> 00:19:00,223 ♪ I wish I could do better ♪ 384 00:19:02,517 --> 00:19:05,520 ♪ I hope this stays for better ♪