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Why are there 12 notes?

Metadata

title
Why are there 12 notes?
description
Love music more! Let's talk about the origins of pop music, and why the fifth is considered so "perfect."
status
complete
date
2021-04-29
kind
solo
guestSlugs
listenUrl
https://podcasters.spotify.com/pod/show/lovemusicmore/episodes/Why-are-there-12-notes-evsvk9
appleUrl
https://podcasts.apple.com/us/podcast/why-are-there-12-notes/id1567355195?i=1000521554657
spotifyUrl
https://open.spotify.com/episode/0PpTYftSkA1T0DrCfjrTQ3
topicsDiscussed
  • Music theory
  • Microtonal music
  • Classical and orchestral music
  • Piano, synth, and keys
  • Genre
  • Perfect fifth
  • Circle of fifths
  • Pythagoras
hostNote
Why does Western music have 12 notes? I trace it back to **Pythagoras** and his 3:2 ratio, the "perfect fifth": stack that ratio twelve times and you land almost exactly back where you started, which is the whole reason we ended up with 12. I walk through the math with actual notes so it's audible, not abstract, and then get into why the system is mostly arbitrary: it's the tuning that stuck because the culture that used it spread. I also make the case for paying attention to the perfect octave as a more inclusive way into music beyond the standard 12, and set up where the show goes next: how those notes actually work together in harmony.
selectedMoments
  • label
    Pythagoras and Musical Notes
    startSec
    1
    note
    I discuss why we only have 12 musical notes in western music, emphasizing that it's entirely arbitrary.
  • label
    Perfect Fifth Concept
    startSec
    90
    note
    I explain the mathematical ratio of the perfect fifth and demonstrate it with musical notes.
  • label
    Cyclic Nature of Fifths
    startSec
    227
    note
    I recap how we get those 12 notes by progressing through perfect fifths.
  • label
    Exploring Octaves
    startSec
    183
    note
    I suggest focusing on perfect octaves for a more inclusive view of music beyond the standard 12 notes.
  • label
    Cultural Arbitrary Nature of 12 Notes
    startSec
    455
    note
    I argue that the concept of 12 notes is somewhat arbitrary and shaped by historical context.
  • label
    Music Beyond the Twelve
    startSec
    502
    note
    I preview upcoming episodes about how notes can work together in harmony.
excerptQuotes
  • text
    So yeah, for real, we're actually going to talk about why we only have 12 notes in western music.
    startSec
    85
    reviewed
    true
  • text
    Just naming something perfect definitely gives it a lot of weight. The reason why he was so into it was it was a mathematical ratio of three to two.
    startSec
    46
    reviewed
    true
  • text
    So Pythagoras said three to two ratio. Let's keep that up and start stacking notes.
    startSec
    89
    reviewed
    true
  • text
    We're back at A. We reached the same place that we took off from. And so that's why we end up having 12 notes.
    startSec
    224
    reviewed
    true
  • text
    It's mostly just arbitrary. It's just because that group of people conquered most of the world.
    startSec
    450
    reviewed
    true
  • text
    It's not like we had to. It's not like we go see aliens and they're going to be listening to pop songs with power chords, which is a root and a perfect fifth.
    startSec
    543
    reviewed
    true
faq
  • question
    Why are there 12 notes in music?
    answer
    The twelve notes in Western music stem from arbitrary historical choices rather than some universal truth. This episode examines the mathematical and cultural origins of this system.
  • question
    What is the perfect fifth in music?
    answer
    The perfect fifth is a musical interval defined by a frequency ratio of 3:2, significantly influencing Western music.
  • question
    Who was Pythagoras and how did he influence music?
    answer
    Pythagoras was a Greek philosopher whose exploration of the relationship between numbers and musical harmony laid the groundwork for understanding musical intervals.
transcriptPublished
false
draft
false

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