why are there 7 musical notes labelled A to G?

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Is it like the visible spectrum and we just can’t physically hear anything else?
What determines the dividing line between each note?

I know this is more than one question but I just don’t understand the science behind music

In: Physics

15 Answers

Anonymous 0 Comments

The mathematics of frequencies. A note has a frequency of vibration. The note one octave above it, the 8th note higher away, is twice the frequency of the first note. That’s why an octave is 7 notes. The 8th noteeay sounds like the same sound only higher or lower.

Onlinekyne has an excellent series of reels over on Facebook explaining the math of music. I think it’s also called Math in drag or something. Crystal-clear explanations, really.

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