Re: The Gb scale.

[jjp@xxxxxxxxxxxx]

Norbert Brunhuber wrote:
>   I've been working out the note progression of each key using the circle
> of fifths diagram and it works out nicely for each one except for Gb. 
> According to the circle you get:
> 
>   Gb Ab Bb B C# D# F
> 
>   However I believe theory dictates that each progression should have one
> of each note (ABCDEFG) just with sharps or flats to make the intervals
> correct.  The Gb scale as written doubles the B note and is missing an E
> note.  What is the correct progression?

It's Gb Ab Bb Cb Db Eb F.  Yes, there's such a thing as C flat.
Actually, the circle of fifths helps nicely here:

	Key	No. of flats
	C	0
	F	1 (Bb)
	Bb	2 (Bb Eb)
	Eb	3 (Bb Eb Ab)
	Ab	4 (Bb Eb Ab Db)
	Db	5 (Bb Eb Ab Db Gb)
	Gb	6 (Bb Eb Ab Db Gb Cb)

Hope this helps.