b9 or a#9

Notes in this chord:

a#/b c d f g#/a

Alternate Names:

b7add9, bnintha#7add9, a#ninth

• By Key
  • C Major
  • C#/Db Major
  • D Major
  • D#/Eb Major
  • E Major
  • F Major
  • F#/Gb Major
  • G Major
  • G#/Ab
  • A Major
  • A#/Bb Major
  • B Major
• By Type
  • Major
  • SUS4
  • 6
  • 6/9
  • Major 7
  • Major 9
  • Major 13
  • Minor
  • Minor6
  • Minor7
  • Minor(Major7)
  • Minor9
  • Minor11
  • Minor13
  • 1/2 Diminished7
  • Diminished7
  • 7
  • 7sus4
  • 7b5
  • 7#5
  • 9
  • 9sus4
  • 9b5
  • 9#5