Bb minor 11th chord
Bbm11 chord for piano with keyboard diagram.
Explanation: The B flat minor eleventh is a six-note chord. For practical reasons the chord is normally played with omitted notes and/or inverted. The chord is often abbreviated as Bbm11 (alternatively Bbmin11).
Omissions: Bbm11(no3): Bb - F - Ab - C - Eb; Bbm11(no9): Bb - Db - F - Ab - Eb.
Theory:The Bb minor eleventh chord is constructed by adding a third to a minor ninth chord.
Notes: Bb - Db - F - Ab - C - Eb