Tone Clock · Set classes · 4 notes
Two shapes, each the other’s mirror
Interval content
| ic1 | ic2 | ic3 | ic4 | ic5 | ic6 |
|---|---|---|---|---|---|
| 1 | 1 | 2 | 0 | 1 | 1 |
Every set in the class holds one semitone, one whole tone, two minor thirds, no major thirds, one fourth and one tritone.
Common tones
| T0 | T1 | T2 | T3 | T4 | T5 | T6 | T7 | T8 | T9 | T10 | T11 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 1 | 1 | 2 | 0 | 1 | 2 | 1 | 0 | 2 | 1 | 1 |
Notes a set keeps when transposed by n.
| T0I | T1I | T2I | T3I | T4I | T5I | T6I | T7I | T8I | T9I | T10I | T11I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2 | 1 | 2 | 2 | 0 | 3 | 2 | 0 | 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.
0136
- 0136C C# D# F#
- 1247C# D E G
- 2358D D# F G#
- 3469D# E F# A
- 457tE F G Bb
- 568eF F# G# B
- 0679F# G A C
- 178tG G# Bb C#
- 289eG# A B D
- 039tA Bb C D#
- 14teBb B C# E
- 025eB C D F