5-string bass · Standard
A♯ half-diminished seventh flat nine · Frets 9–11
A♯m7♭5♭9 5-string bass chord
What it is
Root
Notes
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How to play A♯m7♭5♭9 on 5-string bass
The most common way, the first shape above: lay your index finger flat across the four strings from the E to the G at the 9th fret, your ring finger on the B string at the 11th fret and your little finger on the A string at the 11th fret.
From the B string 11 9 11 9 9 (x: not played, 0: open)
What notes are in A♯m7♭5♭9?
A♯m7♭5♭9, A♯ half-diminished seventh flat nine, is A♯, C♯, E, G♯ and B: the root (A♯), the minor third (C♯), the diminished fifth (E), the minor seventh (G♯) and the flat ninth (B). Its formula is 1 ♭3 ♭5 ♭7 ♭9.
More B♭ chords on 5-string bass
B♭brightB♭msadB♭7the pullB♭maj7dreamyB♭m7mellowB♭sus2openB♭sus4openB♭add9sweetA♯dimthe edgeB♭auguneasyB♭6sweetB♭m6bittersweetB♭9the pullB♭7sus4openB♭5rawA♯m7♭5the edgeA♯dim7the edgeEvery B♭ chord ›
Half-diminished seventh flat nine chords in every key
Cm7♭5♭9the edgeC♯m7♭5♭9the edgeDm7♭5♭9the edgeD♯m7♭5♭9the edgeEm7♭5♭9the edgeFm7♭5♭9the edgeF♯m7♭5♭9the edgeGm7♭5♭9the edgeG♯m7♭5♭9the edgeAm7♭5♭9the edgeBm7♭5♭9the edge
A♯m7♭5♭9 on other instruments
Guitar7-string guitar8-string guitarBass6-string bass7-string bass8-string bassUkuleleMandolinBanjo
Also for 5-string bass
Every 5-string bass chord, in the Library5-string bass tunerChord chart maker