A major, or F# minor
A key signature
Bbb Eb Ab Db Gb Cb Fb. Far from being strictly theoretical, the key F flat major becomes important when a composition in Cb major modulates to the Subdominant, the second most common modulation. The key-change may be indicated either through accidentals (double-flats placed beside notes), or through a change of key signature. While some composers might write a sonata in the key of Cb major, they might wish their second movement to be in the Subdominant key. They have the option of notating with a key signature of 8 flats (which shows the relation to the first movement), or using it's enharmonic equivalent, E major (key signature: 4 sharps), to simplify reading.
the order of sharps and flats are both used to write out the order in a key siganture on a piece of music (for example: the key of d has two sharps, f and c, so in the key signature, you see a sharp for f and a sharp for c) Also, when you're looking at the key signature, you can use the order to find out what key the song is in. For sharps, you look at the last sharp in the key signature, and go up one letter in the musical alphabet. if that note is not sharped, then that letter is the key. if it is sharped, then it's that letter, sharped (for example: key of c sharp, fcgdaeb are the sharps: you go up one from b and it's c, but c is already sharp, so it's the key of c sharp) For flats, you look at the second to last flat in the key signature, and that's the key that it's in. if there's only one flat, it's b flat, and the key is f. i hope this helped!!
What is a key signature? A key signature is the number of sharps or flats in a piece of music. For example C Major has no sharps G Major has 1 Sharp F Major has 1 Flat B flat
Go up a half-step from the last sharp in the key signature.
D major has a key signature of F sharp and C sharp D minor has a key signature of B flat
G sharp
G sharp
There is no key signature that has Bb and C#.
The last sharp in the signature is one half-step below the key's tonic.
No key signature has two of the same flat or sharp.
The key signature indicates which notes are sharp, natural, or flat. Every key has a specific signature.
E sharp minor
The key signature for D sharp minor would be the one for F sharp major: FCGDAE. You can also think of it as E flat minorwhich is related to g flat major in which the key signature would be BEADGC.
C# Major
None. No key signature contains a mix of flats and sharps.