Bb minor 13th chord
Bbm13 chord for piano with keyboard diagram.
Explanation: The B flat minor thirteenth is a seven-note chord. For practical reasons the chord is normally played with omitted notes and/or inverted. The chord is often abbreviated as Bbm13 (alternatively Bbmin13).
Omissions: Bbm13(no11): Bb - Db - F - Ab - C - G.
Theory: The Bb minor thirteenth chord is constructed by extending the minor eleventh chord with a major thirteenth note.
Notes: Bb - Db - F - Ab - C - Eb - G