Why Do Humans Like Harmony?

From David Bennett Piano.

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Check out my previous video on Temperament: https://youtu.be/7JhVcGtT8z4?si=LMXKp_VQZjXXSQFr

Why do we even like the sound of harmony? Why would humanity have evolved to be sensitive to not just the sound of pitch, but the sound of different pitches interacting? Did it somehow provide a survival benefit that evolution then selected for? Or is our love of musical harmony simply a by-product of how our minds evolved to perceive language?

SOURCES:
D. Deutsch, The Psychology Of Music (1982)
S. Pinker, How the Mind Works (1997)
D. Levitin, This Is Your Brain on Music (2006)
D. Rothenberg, Survival of the Beautiful (2011)


https://pubmed.ncbi.nlm.nih.gov/1262593/
https://psycnet.apa.org/record/1989-14506-001


https://harmonic.netlify.app/
https://musiclab.chromeexperiments.com/Harmonics/
https://psycnet.apa.org/record/1987-09413-001
https://www.researchgate.net/publication/236814528_Steven_Pinker’s_Cheesecake_for_the_Mind

https://www.researchgate.net/profile/Louis-Herman/publication/16489834_Vocal_mimicry_of_computer-generated_sounds_and_vocal_labeling_of_objects_by_a_bottlenosed_dolphin_Tursiops_truncatus/links/54f1647f0cf2b36214abf0fe/Vocal-mimicry-of-computer-generated-sounds-and-vocal-labeling-of-objects-by-a-bottlenosed-dolphin-Tursiops-truncatus.pdf


https://medium.com/@bigpon517/2020-speech-generation-1-quasi-periodic-waveform-generative-model-with-pitch-dependent-dilated-792261d96aba

https://www.sciencedaily.com/releases/2004/11/041114235846.htm
https://deutsch.ucsd.edu/pdf/Sci_Am-2010_Jul_Aug_36-43.pdf

The outro music to this video is my track "Here, Here" which you can hear in full on Spotify: https://open.spotify.com/artist/0wKKJoOZd8JQJDgGU8sb8V?si=dcs5zn4JRDO7oVCEkfK6YQ 🎶

And, an extra special thanks goes to Chase Heeler, Peter Keller, Douglas Lind, Vidad Flowers, Ivan Pang, Waylon Fairbanks, Jon Dye, Austin Russell, Christopher Ryan, Toot & Paul Peijzel, the channel’s Patreon saints! 😇

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0:00 Introduction
0:59 Why are humans sensitive to pitch?
4:33 The Harmonic Series
8:34 Binaural Beats
10:30 ToneGym
11:07 Combination Tones
13:16 Why do we like the sound of harmony?
15:30 Temperament
17:56 Outro