Bb › Bb7b9
Bb7b9 / A#7b9 Guitar Chord
Bb Dominant 7 Flat 9 · also written A#7b9
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Root note (Bb) · Other notes
Notes
BbBDFAb
Intervals (the formula)
1♭935♭7
Bb7b9 = root · ♭9th · major 3rd · 5th · ♭7th
Hear it
4 ways to play Bb7b9 up the neck
Voicing 1 · Bb B D F Ab
Voicing 2 · Bb B D Ab
Voicing 3 · Bb B D F Ab
Voicing 4 · Bb B D F Ab