C#dim7 chord (C sharp diminished seventh) on piano
C#dim7 (C sharp diminished seventh) has four notes: C sharp, E, G and B flat. Its formula is 1, b3, b5, bb7.
C#dim7 inversions and fingering
C# E G Bb · RH 1-2-3-5 · LH 5-3-2-1
E G Bb C# · RH 1-2-3-5 · LH 5-3-2-1
G Bb C# E · RH 1-2-3-5 · LH 5-3-2-1
Bb C# E G · RH 1-2-3-5 · LH 5-3-2-1
C# E Bb · LH 5-3-1
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| Symbol | C#dim7 |
|---|---|
| Also written | C#°7, C#o7 |
| Notes | C# E G Bb |
| Formula | 1 b3 b5 bb7 |
| Intervals | root, minor third, tritone, major sixth |
| Type | Diminished seventh chord |
C#dim7 across the keyboard
Piano, C3 to C5. Notes in this scale, low to high: C#3 (1), E3 (flat 3), G3 (flat 5), Bb3 (double flat 7), C#4 (1), E4 (flat 3), G4 (flat 5), Bb4 (double flat 7).
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Questions
What notes are in the C#dim7 chord?
C#dim7 (C sharp diminished seventh) has four notes: C sharp, E, G and B flat. Its formula is 1, b3, b5, bb7. C# is the root, E is the minor third, G is the tritone and Bb is the major sixth.
How do you play C#dim7 on piano?
Play C#, E, G and Bb together. Root position: C# E G Bb · RH 1-2-3-5 · LH 5-3-2-1.
What is the difference between C#dim7 and C#dim?
C#dim7 is C#dim (C#, E and G) with Bb, the double flat 7th, added.