Tone Clock · Set classes · 6 notes
Two shapes, each the other’s mirror
Interval content
| ic1 | ic2 | ic3 | ic4 | ic5 | ic6 |
|---|---|---|---|---|---|
| 3 | 3 | 2 | 2 | 3 | 2 |
Every set in the class holds three semitones, three whole tones, two minor thirds, two major thirds, three fourths and two tritones.
Common tones
| T0 | T1 | T2 | T3 | T4 | T5 | T6 | T7 | T8 | T9 | T10 | T11 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 6 | 3 | 3 | 2 | 2 | 3 | 4 | 3 | 2 | 2 | 3 | 3 |
Notes a set keeps when transposed by n.
| T0I | T1I | T2I | T3I | T4I | T5I | T6I | T7I | T8I | T9I | T10I | T11I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 2 | 5 | 4 | 4 | 2 | 3 | 2 | 4 | 4 | 2 | 2 |
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.
012368
- 012368C C# D D# F# G#
- 123479C# D D# E G A
- 23458tD D# E F G# Bb
- 34569eD# E F F# A B
- 04567tE F F# G Bb C
- 15678eF F# G G# B C#
- 026789F# G G# A C D
- 13789tG G# A Bb C# D#
- 2489teG# A Bb B D E
- 0359teA Bb B C D# F
- 0146teBb B C C# E F#
- 01257eB C C# D F G
025678
Relations
- Complement
- 6-Z12 012467
- Z-partner
- 6-Z12, the same interval vector in another class
- Symmetry
- none: only T0 maps it onto itself
- Inside it
2 notes: 2-1 ×3 · 2-2 ×3 · 2-3 ×2 · 2-4 ×2 · 2-5 ×3 · 2-6 ×2
3 notes: 3-1 ×2 · 3-2 ×2 · 3-3 · 3-4 ×2 · 3-5 ×3 · 3-7 ×2 · 3-8 ×4 · 3-9 ×2 · 3-10 · 3-11
4 notes: 4-1 · 4-4 · 4-5 ×2 · 4-6 · 4-12 · 4-13 · 4-14 · 4-Z15 · 4-16 ×2 · 4-23 · 4-25 · 4-27 · 4-Z29
- Around it
- 7-7 · 7-9 · 7-Z12 · 7-19 · 7-24 · 7-Z36 · and 32 larger classes