Blues Scale
| T+S | T | S | S | T+S | T | |||||||
| C | D# | F | F# | G | A# | C |
Formula: 1 b3 4 b5 5 b7
Below is an example of the scale in the key of A:
All the keys of the scale are charted in the table below for easy reference:
| Key | I | II | III | IV | V | VI | Octave |
| A | A | C | D | D# | E | G | A |
| A# | A# | C# | D# | E | F | G# | A# |
| B | B | D | E | F | F# | A | B |
| C | C | D# | F | F# | G | A# | C |
| C# | C# | E | F# | G | G# | B | C# |
| D | D | F | G | G# | A | C | D |
| D# | D# | F# | G# | A | A# | C# | D# |
| E | E | G | A | A# | B | D | E |
| F | F | G# | A# | B | C | D# | F |
| F# | F# | A | B | C | C# | E | F# |
| G | G | A# | C | C# | D | F | G |
| G# | G# | B | C# | D | D# | F# | G# |