C Major 9♯11

Notes: C – E – G – B – D – F♯
Degrees: 1 – 3 – 5 – 7 – 9 – ♯11Also written: Cmaj9♯11Lower F♯ to F and it is Cmaj11; lower B to B♭ and it is C9♯11. C, D, E and G do not move.

Construction

C Major 9♯11 = Root + Major 3rd + Perfect 5th + Major 7th + Major 2nd + Diminished 5th = C, E, G, B, D, F♯

Note	Interval	Degree
C	Root	1
E	Major 3rd	3
G	Perfect 5th	5
B	Major 7th	7
D	Major 2nd	9
F♯	Diminished 5th	♭5

C Major 9♯11 : Frequently Asked Questions

What is the C Major 9♯11 chord on piano?

The C Major 9♯11 chord contains the notes C – E – G – B – D – F♯. On piano, play these notes together to sound the chord.

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