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C# 13b9 · Displayed in: C# · Thirteenth chord with flat ninth · Tones: C#, E#, G#, B, D, A# · Aliases: 13b9
C# 13b9 · Displayed in: C# · Thirteenth chord with flat ninth · Tones: C#, E#, G#, B, D, A# · Aliases: 13b9
C# 13b9 · Displayed in: C# · Thirteenth chord with flat ninth · Tones: C#, E#, G#, B, D, A# · Aliases: 13b9
Chord and Scale
Type key + scale (e.g. C Major, F Dorian)
C# 13b9: C#, E#, G#, B, D, A#
C# 13b9 · Chord · C# · 6 Tones
Network of this chord or scale with contain / contained-in relations.
Type key + scale (e.g. C Major, F Dorian)
This set has 6 pitch classes, 4 close/tritone pressure points and 9 consonant-support intervals; average heuristic score: -0.13.
| Interval | Count | Weight | Contribution |
|---|---|---|---|
| m2 / M7 | 2 | -5 | -10 |
| M2 / m7 | 2 | -2 | -4 |
| m3 / M6 | 5 | +2 | +10 |
| M3 / m6 | 2 | +2 | +4 |
| P4 / P5 | 2 | +3 | +6 |
| Tritone | 2 | -4 | -8 |
| Target | Shared tones | Pivot | Voice-leading | Δ consonance | Bridge score |
|---|---|---|---|---|---|
|
C# 7b9#9
Chord
Smooth pivot
|
D, 2, 5, 8, 11 | D, 2, 5, 8 | 0.17 | 0.00 | 4.51 |
|
C# 7b9b13
Chord
Smooth pivot
|
D, 2, 5, 8, 11 | D, 2, 5, 8 | 0.17 | 0.00 | 4.51 |
|
E 13b9
Chord
Smooth pivot
|
D, 2, 5, 8, 11 | D, 2, 5, 8 | 0.17 | 0.00 | 4.51 |
|
G 7#9#11
Chord
Smooth pivot
|
D, 2, 5, B, 11 | D, 2, 5, B | 0.17 | 0.00 | 4.51 |
|
G 7b9#9
Chord
Smooth pivot
|
2, 5, 8, B, 11 | 2, 5, 8, B | 0.17 | 0.00 | 4.51 |
|
Bb 13b9
Chord
Smooth pivot
|
2, 5, 8, B, 11 | 2, 5, 8, B | 0.17 | 0.00 | 4.51 |
|
Bb 7#9#11
Chord
Smooth pivot
|
D, 2, 5, 8, B | D, 2, 5, 8 | 0.17 | 0.00 | 4.51 |
|
Bb 7b9b13
Chord
Smooth pivot
|
2, 5, 8, B, 11 | 2, 5, 8, B | 0.17 | 0.00 | 4.51 |
|
C# 7b9
Chord
Smooth pivot
|
D, 2, 5, 8, 11 | D, 2, 5, 8 | 0.08 | 0.07 | 4.46 |
|
C# Yematibela Web
Scale
Smooth pivot
|
D, 2, 5, 8, 11 | D, 2, 5, 8 | 0.08 | 0.07 | 4.46 |
|
Bb 7b9
Chord
Smooth pivot
|
2, 5, 8, B, 11 | 2, 5, 8, B | 0.08 | 0.07 | 4.46 |
|
Bb Yematibela Web
Scale
Smooth pivot
|
2, 5, 8, B, 11 | 2, 5, 8, B | 0.08 | 0.07 | 4.46 |
Records chord/scale plays and global output tone groups (tones + intervals only).
Use advanced audio settings as the playback source for chord-grid clicks, test chord charts, and inspect the generated accompaniment.
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