If you take an instrument without predefined notes, such as a trombone or a violin, you can produce an infinite amount of notes between Do and Re for example (applies with out of tunes instruments as well). With that logic, you could have an infinite set of 7 notes that are as evenly « spaced » as our current standard. Im sure im missing something obvious.
In: Physics
Oh boy, you’re diving deep into music theory! The Do Re Mi scale (also known as the solfège) is just a way to make things simpler and standardize things. It’s based on a diatonic scale, which divides an octave into 7 notes that are close enough for our ears to perceive distinct steps. Sure, there’s microtonal music and stuff that goes beyond this, but for most Western music, sticking to these 7 notes works pretty well for harmonies, melodies, and keeping compositions manageable for both musicians and listeners. Think of it as a musical “default setting.”
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