Questions tagged [octave]

An octave or perfect octave is the interval between one musical pitch and another with half or double its frequency.

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36
votes
10answers
16k views

Does an accidental apply to all octaves?

I've been playing French Horn for 20 years, and thought I had most basic concepts regarding accidentals understood. But the other day I came across the following image via Wikipedia, which had me ...
57
votes
12answers
25k views

A (440 Hz) and A (880 Hz) are completely different sounds to me. Does this mean I'm tone deaf?

A recent episode of the podcast Surprisingly Awesome about music theory featured the line: So just to be clear, pretty much every human, when they hear a 440 or an 880, it’s going to sound like the ...
18
votes
4answers
8k views

How do you refer to a note that is more than one octave above or below middle C?

I know you say the A above Middle C when refering to the A that is in the same Octave as Middle C in the Treble Staff, or you say the A below Middle C when referring to the A in the previous Octave on ...
41
votes
11answers
10k views

Why do octaves sound equivalent?

It is, I think, a perfectly clear observation that one note an octave above another note sounds as if it were the same in a certain sense; while they are by no means the same exact note, they are ...
13
votes
4answers
9k views

Musical systems with more than 12 notes

From what I remember of music theory, all music (at least Western music) boils down to scales that revolve around the 12 notes (circle of fourths/fifths). I know there are scales in different regions ...
3
votes
4answers
8k views

How many octaves can be heard?

How many octaves exist the the human range of hearing? Will the same note through all the octaves harmonize? What is the maximum number of distinct notes that can be played in a chord?
9
votes
2answers
15k views

Parallel octaves vs doubled octaves

I've read this Wikipedia article on parallel fifths, which also touched on parallel octaves. However, I'm having difficulty understanding the difference between doubled and parallel octaves. I think I ...
3
votes
2answers
1k views

How to alter piano music with left-hand octaves to require a smaller span?

I'm learning to play the piano and I'm loving it. I've just started learning to play some pieces with two hands, but I am unfortunately running into an issue with my left hand: I cannot spread my ...