E flat major has 3 flats (B, E and A), for all instruments.
The key signature with six flats is the key of G-flat major.
There are three flats in the key signature of E flat major
The key with 6 flats in its key signature is the key of G flat major.
The key signature with 7 flats is the key of C-flat major.
When working with flats, the second to last flat is the key signature. The exception here being when only one flat is in the key signature - this would be the key of 'F.' The order of flats are as follows: B-flat, E-flat, A-flat, D-flat, G-flat... etc.
To determine the key signature flats in a musical piece, look at the last flat listed in the key signature. This flat indicates the key of the piece. For example, if the key signature has one flat (Bb), the piece is in the key of F major.
The key signature for a piece written in the key of six flats is G flat major.
No key signature has two of the same flat or sharp.
A flat major and its relative minor are key signatures with four flats.
The key signature for F major has one flat (B flat) , while the key signature for F minor has four flats (B flat, E flat, A flat, and D flat).
The key signature of the C minor scale has three flats: B flat, E flat, and A flat.
The key signature of the F flat major key has six flats: B flat, E flat, A flat, D flat, G flat, and C flat.