Bb › Bb7#9
Bb7#9 / A#7#9 Guitar Chord
Bb Dominant 7 Sharp 9 · also written A#7#9
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Root note (Bb) · Other notes
Notes
BbC#DAb
Intervals (the formula)
1♯93♭7
Bb7#9 = root · ♯9th · major 3rd · ♭7th
Hear it
4 ways to play Bb7#9 up the neck
Voicing 1 · Bb C# D Ab
Voicing 2 · Bb C# D Ab
Voicing 3 · Bb C# D F Ab
Voicing 4 · Bb C# D Ab