C11 Chord

Like any 11th chord, the C11 chord is formed by playing the root, the major third, the perfect fifth, the minor 7th, the major 9th and the major 11th. The third is often omitted due to dissonance with the minor 9th interval. It equals to playing the 1st, the 3rd and 5th, the flat 7th and the 9th and the 11th degree of the C major scale.

Notation

Listen to C11

C11 without the dissonant third (E):

How To Play C11 On The Piano

You can play the C 11th chord by playing in any order the following notes: 

C, E, G, Bb, D, F

The third is often omitted because the minor 9th interval between the third and the 11th is dissonant.

The inversions of the C11 chord

• Root position: C, E, G, Bb, D, F
• Inversion 1: E, G, Bb, D, F, C
• Inversion 2: G, Bb, D, F, C, E
• Inversion 3: Bb, D, F, C, E, G
• Inversion 4: D, F, C, E, G, Bb
• Inversion 5: F, C, E, G, Bb, D

Note: the third (E) is often left out of the C11th chord.

Video: C11 Chord On The Piano

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