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

This tuning system just kinda stuck and became the default but there absolutely can be others, a trained ear can distinguish two notes as having a different pitch if they are just 5 cents apart (in comparison the distance between A and B is 200 cents). The notes arent chosen completely arbitrarely though, they originate from a system utilising simple mathematical ratios which sound the most harmonious to us.

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