Tone Clock · Set classes · 8 notes
8-26
prime form 0134578t · vector 456562 · 12 sets
Packed to the left, as Forte packs it: 0124579t. Tone Clock uses Rahn’s packing.
Open 0134578t in the workspaceOne shape, its own mirror
Interval content
| ic1 | ic2 | ic3 | ic4 | ic5 | ic6 |
|---|---|---|---|---|---|
| 4 | 5 | 6 | 5 | 6 | 2 |
Every set in the class holds four semitones, five whole tones, six minor thirds, five major thirds, six fourths and two tritones.
Common tones
| T0 | T1 | T2 | T3 | T4 | T5 | T6 | T7 | T8 | T9 | T10 | T11 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 8 | 4 | 5 | 6 | 5 | 6 | 4 | 6 | 5 | 6 | 5 | 4 |
Notes a set keeps when transposed by n.
| T0I | T1I | T2I | T3I | T4I | T5I | T6I | T7I | T8I | T9I | T10I | T11I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 5 | 6 | 4 | 6 | 5 | 6 | 5 | 4 | 8 | 4 | 5 | 6 |
Notes a set keeps when inverted about n.
Its 12 sets
Set theory treats D# and Eb as one pitch class; the names under each set use one fixed spelling, sharps except Bb.
0134578t
- 0134578tC C# D# E F G G# Bb
- 1245689eC# D E F F# G# A B
- 0235679tD D# F F# G A Bb C
- 134678teD# E F# G G# Bb B C#
- 0245789eE F G G# A B C D
- 0135689tF F# G# A Bb C C# D#
- 124679teF# G A Bb B C# D E
- 023578teG G# Bb B C D D# F
- 0134689eG# A B C C# D# E F#
- 0124579tA Bb C C# D E F G
- 123568teBb B C# D D# F F# G#
- 0234679eB C D D# E F# G A
Relations
- Complement
- 4-26 0358 · minor seventh chord
- Z-partner
- none: no other class has this interval vector
- Symmetry
- T0 and one inversion map it onto itself
- Inside it
2 notes: 2-1 ×4 · 2-2 ×5 · 2-3 ×6 · 2-4 ×5 · 2-5 ×6 · 2-6 ×2
3 notes: 3-1 · 3-2 ×6 · 3-3 ×6 · 3-4 ×6 · 3-5 ×4 · 3-6 ×3 · 3-7 ×8 · 3-8 ×4 · 3-9 ×5 · 3-10 ×4 · 3-11 ×8 · 3-12
4 notes: 4-2 ×2 · 4-3 ×2 · 4-4 ×2 · 4-6 · 4-7 ×2 · 4-8 · 4-10 ×2 · 4-11 ×4 · 4-12 ×4 · 4-13 ×4 · 4-14 ×6 · 4-Z15 ×2 · 4-16 ×4 · 4-17 ×2 · 4-18 ×4 · 4-19 ×4 · 4-20 ×2 · 4-21 · 4-22 ×6 · 4-23 ×4 · 4-24 · 4-26 ×3 · 4-27 ×4 · 4-28 · 4-Z29 ×2
5 notes: 5-3 ×2 · 5-8 · 5-10 ×2 · 5-11 ×2 · 5-Z12 · 5-14 ×2 · 5-16 ×2 · 5-Z17 ×2 · 5-Z18 ×4 · 5-20 ×2 · 5-21 ×2 · 5-22 · 5-23 ×4 · 5-24 ×2 · 5-25 ×2 · 5-26 ×2 · 5-27 ×4 · 5-29 ×4 · 5-30 ×2 · 5-31 ×4 · 5-32 ×2 · 5-34 · 5-35 ×3 · 5-Z36 ×2 · 5-Z37
6 notes: 6-Z10 ×2 · 6-Z11 ×2 · 6-14 ×2 · 6-Z19 ×2 · 6-Z24 ×2 · 6-Z25 ×2 · 6-Z26 · 6-27 ×2 · 6-Z28 · 6-Z29 ×2 · 6-31 ×2 · 6-32 ×2 · 6-33 ×2 · 6-Z45 · 6-Z47 ×2 · 6-Z48
- Around it
- 9-7 ×2 · 9-11 ×2 · and 6 larger classes