CHORD · HALF-DIMINISHED 7TH
C#m7b5 (C#m7b5)
The C#m7b5 chord (C#m7b5) contains 4 notes: C#, E, G, B. Diminished triad plus a major third — appears on the ii of minor keys.
Notes
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Intervals from root
| Degree | Note | Interval | Quality | Half steps |
|---|---|---|---|---|
| 1 | C# | 1 | Perfect Unison | 0 |
| 2 | E | b3 | Minor 3rd | 3 |
| 3 | G | b5 | Diminished 5th | 6 |
| 4 | B | b7 | Minor 7th | 10 |
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