| Major Key | Major Key Signature | Accidentals |
|---|---|---|
| Cb | 7 flats | Bb Eb Ab Db Gb Cb Fb |
| Gb | 6 flats | Bb Eb Ab Db Gb Cb |
| Db | 5 flats | Bb Eb Ab Db Gb |
| Ab | 4 flats | Bb Eb Ab Db |
| Eb | 3 flats | Bb Eb Ab |
| Bb | 2 flats | Bb Eb |
| F | 1 flat | Bb |
| C | no sharps or flats | |
| G | 1 sharp | F# |
| D | 2 sharps | F# C# |
| A | 3 sharps | F# C# G# |
| E | 4 sharps | F# C# G# D# |
| B | 5 sharps | F# C# G# D# A# |
| F# | 6 sharps | F# C# G# D# A# E# |
| C# | 7 sharps | F# C# G# D# A# E# B# |