Cdim7 chord (C diminished seventh) on piano
Cdim7 (C diminished seventh) has four notes: C, E flat, G flat and B double flat. Its formula is 1, b3, b5, bb7.
Cdim7 inversions and fingering
C Eb Gb Bbb · RH 1-2-3-5 · LH 5-3-2-1
Eb Gb Bbb C · RH 1-2-3-5 · LH 5-3-2-1
Gb Bbb C Eb · RH 1-2-3-5 · LH 5-3-2-1
Bbb C Eb Gb · RH 1-2-3-5 · LH 5-3-2-1
C Eb Bbb · LH 5-3-1
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| Symbol | Cdim7 |
|---|---|
| Also written | C°7, Co7 |
| Notes | C Eb Gb Bbb |
| Formula | 1 b3 b5 bb7 |
| Intervals | root, minor third, tritone, major sixth |
| Type | Diminished seventh chord |
Cdim7 across the keyboard
Piano, C3 to C5. Notes in this scale, low to high: C3 (1), Eb3 (flat 3), Gb3 (flat 5), Bbb3 (double flat 7), C4 (1), Eb4 (flat 3), Gb4 (flat 5), Bbb4 (double flat 7), C5 (1).
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Questions
What notes are in the Cdim7 chord?
Cdim7 (C diminished seventh) has four notes: C, E flat, G flat and B double flat. Its formula is 1, b3, b5, bb7. C is the root, Eb is the minor third, Gb is the tritone and Bbb is the major sixth.
How do you play Cdim7 on piano?
Play C, Eb, Gb and Bbb together. Root position: C Eb Gb Bbb · RH 1-2-3-5 · LH 5-3-2-1.
What is the difference between Cdim7 and Cdim?
Cdim7 is Cdim (C, Eb and Gb) with Bbb, the double flat 7th, added.