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

Most Western music uses 7 notes in a scale, with 12 total notes (notes outside of a key are called accidentals), but there are plenty of alternative tunings like 15 notes in an octave (the range from a note to the next note with the same name, like A to A) or 17 or 23 or….. any number really. 12 is just the most common

We can definitely hear other pitches, music using other tuning systems is called “microtonal” music and there’s plenty of it on YouTube

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