Bass · Standard
A♯ half-diminished seventh · Frets 6–7
A♯m7♭5 bass chord
What it is
Root
Notes
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How to play A♯m7♭5 on bass
The most common way, the first shape above: your index finger on the E string at the 6th fret, your little finger on the A string at the 7th fret, your middle finger on the D string at the 6th fret and your ring finger on the G string at the 6th fret.
From the E string 6 7 6 6 (x: not played, 0: open)
What notes are in A♯m7♭5?
A♯m7♭5, A♯ half-diminished seventh, is A♯, C♯, E and G♯: the root (A♯), the minor third (C♯), the diminished fifth (E) and the minor seventh (G♯). Its formula is 1 ♭3 ♭5 ♭7.
What does A♯m7♭5 mean?
A minor seventh chord with its fifth lowered a half step: A♯, C♯, E and G♯. It is also called half-diminished, written A♯ø7.
Where is A♯m7♭5 used?
As the ii chord of a minor key, in the minor ii–V–i of jazz: A♯m7♭5 to E♭7 to G♯m. It is also the chord on the seventh note of a major key, with a seventh.
Keys with A♯m7♭5
A♯m7♭5 is the viiø7 chord in B major and the iiø7 chord in G♯ minor.
More B♭ chords on bass
B♭brightB♭msadB♭7the pullB♭maj7dreamyB♭m7mellowB♭sus2openB♭sus4openB♭add9sweetA♯dimthe edgeB♭auguneasyB♭6sweetB♭m6bittersweetB♭9the pullB♭7sus4openB♭5rawA♯dim7the edgeEvery B♭ chord ›
Half-diminished seventh chords in every key
Cm7♭5the edgeC♯m7♭5the edgeDm7♭5the edgeD♯m7♭5the edgeEm7♭5the edgeFm7♭5the edgeF♯m7♭5the edgeGm7♭5the edgeG♯m7♭5the edgeAm7♭5the edgeBm7♭5the edge
A♯m7♭5 on other instruments
Guitar7-string guitar8-string guitar5-string bass6-string bass7-string bass8-string bassUkuleleMandolinBanjo