Tone Clock · Set classes · 4 notes
Two shapes, each the other’s mirror
Interval content
| ic1 | ic2 | ic3 | ic4 | ic5 | ic6 |
|---|---|---|---|---|---|
| 1 | 1 | 1 | 1 | 2 | 0 |
Every set in the class holds one semitone, one whole tone, one minor third, one major third, two fourths and no tritones.
Common tones
| T0 | T1 | T2 | T3 | T4 | T5 | T6 | T7 | T8 | T9 | T10 | T11 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 1 | 1 | 1 | 1 | 2 | 0 | 2 | 1 | 1 | 1 | 1 |
Notes a set keeps when transposed by n.
| T0I | T1I | T2I | T3I | T4I | T5I | T6I | T7I | T8I | T9I | T10I | T11I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 0 | 3 | 2 | 1 | 2 | 1 | 2 | 0 | 2 | 2 | 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.
0237
- 0237C D D# G
- 1348C# D# E G#
- 2459D E F A
- 356tD# F F# Bb
- 467eE F# G B
- 0578F G G# C
- 1689F# G# A C#
- 279tG A Bb D
- 38teG# Bb B D#
- 049eA B C E
- 015tBb C C# F
- 126eB C# D F#