Tone Clock · Set classes · 4 notes
Two shapes, each the other’s mirror
Interval content
| ic1 | ic2 | ic3 | ic4 | ic5 | ic6 |
|---|---|---|---|---|---|
| 1 | 0 | 1 | 3 | 1 | 0 |
Every set in the class holds one semitone, no whole tones, one minor third, three major thirds, one fourth and no tritones.
Common tones
| T0 | T1 | T2 | T3 | T4 | T5 | T6 | T7 | T8 | T9 | T10 | T11 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 1 | 0 | 1 | 3 | 1 | 0 | 1 | 3 | 1 | 0 | 1 |
Notes a set keeps when transposed by n.
| T0I | T1I | T2I | T3I | T4I | T5I | T6I | T7I | T8I | T9I | T10I | T11I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 2 | 1 | 0 | 3 | 2 | 0 | 0 | 3 | 2 | 0 | 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.
0148
- 0148C C# E G#
- 1259C# D F A
- 236tD D# F# Bb
- 347eD# E G B
- 0458E F G# C
- 1569F F# A C#
- 267tF# G Bb D
- 378eG G# B D#
- 0489G# A C E
- 159tA Bb C# F
- 26teBb B D F#
- 037eB C D# G