Bb7 chord

B-flat dominant seventh, also written A#7. 3 shapes on the neck below, with the notes it's built from and the keys it belongs to.

Notes

  • Bb
    1
  • D
    3
  • F
    5
  • Ab
    b7

The major third is what makes it sound bright and settled.

The minor seventh adds a bluesy edge and leaves the chord sounding unfinished.

How to play Bb7

Founding players

Want to know why this chord works where it does? The Intermediate lessons cover it, and founding players get them first.

One email to confirm, then an occasional note when lessons ship.

Keys with Bb7

Bb7 uses only notes from Eb major and C minor. It sounds most at home in Eb major.