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 | 1 | 1 |
Every set in the class holds one semitone, one whole tone, one minor third, one major third, one fourth and one tritone.
Common tones
| T0 | T1 | T2 | T3 | T4 | T5 | T6 | T7 | T8 | T9 | T10 | T11 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 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 | 2 | 2 | 2 | 2 | 0 | 1 | 2 | 2 | 0 | 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.
0137 · all-interval tetrachord
- 0137C C# D# G
- 1248C# D E G#
- 2359D D# F A
- 346tD# E F# Bb
- 457eE F G B
- 0568F F# G# C
- 1679F# G A C#
- 278tG G# Bb D
- 389eG# A B D#
- 049tA Bb C E
- 15teBb B C# F
- 026eB C D F#