B♭ Dominant 11th
Bb11 · Root
Every chord tone stacked from the root up.
Click keys to experiment with the chord
B♭ – F – A♭ – C – E♭
1 – 5 – b7 – 9 – 11
The 3rd is omitted — a major 3rd and natural 11th form a minor 9th clash. Without the 3rd, this chord is functionally equivalent to C9sus4.
The Bb11 chord sounds wide and open, with a suspended quality. Its notes are Bb, F, Ab, C, Eb. This chord is commonly heard in gospel music.