| Key | No. of Sharps | Signature | Names of Sharps |
|---|---|---|---|
| C | None |  | |
| G | One |  | F# |
| D | Two |  | F# & C# |
| A | Three |  | F# C# & G# |
| E | Four |  | F# C# G# & D# |
| B | Five |  | F# C# G# D# & A# |
| F# | Six |  | F# C# G# D# A# & E# |
| C# | Seven |  | F# C# G# D# A# E# & B# |
| Key | No. of Flats | Signature | Names of Flats |
|---|---|---|---|
| C | None | | |
| F | One |  | Bb |
| Bb | Two |  | Bb & Eb |
| Eb | Three |  | Bb Eb & Ab |
| Ab | Four |  | Bb Eb Ab & Db |
| Db | Five |  | Bb Eb Ab Db & Gb |
| Gb | Six |  | Bb Eb Ab Db Gb & Cb |
| Cb | Seven |  | Bb Eb Ab Db Gb Cb & Fb |
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