Tone Clock · Set classes · 4 notes
Two shapes, each the other’s mirror
Interval content
| ic1 | ic2 | ic3 | ic4 | ic5 | ic6 |
|---|---|---|---|---|---|
| 1 | 1 | 0 | 1 | 2 | 1 |
Every set in the class holds one semitone, one whole tone, no minor thirds, one major third, two fourths and one tritone.
Common tones
| T0 | T1 | T2 | T3 | T4 | T5 | T6 | T7 | T8 | T9 | T10 | T11 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 1 | 1 | 0 | 1 | 2 | 2 | 2 | 1 | 0 | 1 | 1 |
Notes a set keeps when transposed by n.
| T0I | T1I | T2I | T3I | T4I | T5I | T6I | T7I | T8I | T9I | T10I | T11I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2 | 2 | 0 | 0 | 2 | 2 | 2 | 2 | 0 | 1 | 0 |
Notes a set keeps when inverted about n.
Its 24 sets
Set theory treats D# and Eb as one pitch class; the names under each set use one fixed spelling, sharps except Bb.
0157
- 0157C C# F G
- 1268C# D F# G#
- 2379D D# G A
- 348tD# E G# Bb
- 459eE F A B
- 056tF F# Bb C
- 167eF# G B C#
- 0278G G# C D
- 1389G# A C# D#
- 249tA Bb D E
- 35teBb B D# F
- 046eB C E F#