This conversation is going around in circles. Both of you are just arguing semantics here with each other, to be honest. It is what it is, can we leave it at that?

OH I'm not responding anymore, so it doesn't really matter.

Yes, each 7 set is an octave. A scale is 8 notes. To play a scale is 15 notes up and back.
I don't see where anyone answered your qstn about whether or not high notes vibrate to double or triple the frequency the higher a note gets.

:laughing: Some people still wouldn't hear you, if you hit them with it.

An octave is seven notes, eight pitches. C and C' are the same note played at different pitches. To play a scale up and back is still seven notes.

Yes, I did answer it. The frequencies of octaves can only be doubled or halved.

Ah, that's the word I'm looking for 'pitch'...

I was classically trained on double bass first in private with one of the finest instructors in this state and later at Wayne State University with another very fine instructor. I've played in both classical and jazz ensembles. All my instructors are now close friends of mine. I know a thing or two about music theory. If you let little inaccuracies creep in, eventually you're disseminating a bunch of BS and not true music theory anymore.

It's like that game we played in school where the teacher whispers something to a student and that student whispers it to another and so on. Then after 30 rounds, the last student goes up to the board and writes out the phrase and it is compared to the original and they are nothing alike. Usually, what the student writes on the board doesn't even make sense. That's what happens to music theory when it's being disseminated online by people who either don't have the background to be teaching it to anyone else or who think their inaccuracies are irrelevant. It gets passed on by others who don't realize it's wrong and they pass it on with further errors added in and so on until it is a useless mish-mash of errors and half-truths.

No wrong, all of that.

An octave is 12 notes higher not counting the first note.

A diatonic scale is seven tones within a given octave (and repeats exactly each octave).

However, chromatic (12 notes), whole tone (6 notes), pentatonic (5 notes) and 99% of all other scales regardless of the amount ot notes fall within an octave and restart on the next octave.

However an octave is NOT 7 notes.

From C in the major scale, there are 7 notes with that C to C' (12 notes not counting the octave) range that you use.

In other words, western diatonic scales span one octave but only play 7 notes (of the 12) within that octave, then repeats in the next octave.

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In college courses, you get marked down for confusing note and pitch in tests. They are real sticklers about it.

Not all of it is wrong... :p: