A♯ Minor 7♯5
Reviewed for accuracy · Last updated July 2026 · Maintained by Justin Evans
B♭ Minor 7♯5
Practice A♯ Minor 7♯5
Reading about it is one thing. Drilling it is what makes it automatic.
Introduction
The A♯ Minor 7♯5 chord is a four-note chord made up of A♯, C♯, E♯♯, and G♯.
Notes
Key Signature
A chord has no key signature of its own, but the A♯ Minor 7♯5 is the tonic (i) chord of A# Minor, which shares the signature of its relative major, C# Major — 7 sharps (F♯, C♯, G♯, D♯, A♯, E♯, B♯).
Order of sharps
Sharps are added to a key signature in a fixed order. Each new sharp key adds the next sharp on the list.
Mnemonic: Father Charles Goes Down And Ends Battle
Chords in the Key of A♯ Minor
These are the triads built on each degree of the A♯ minor scale:
Same Notes, Other Names
The notes A♯ – C♯ – E♯♯ – G♯ aren’t exclusive to this chord. Depending on which note is the bass and how the chord functions, the same pitches also spell:
A♯ Minor 7♯5 — Frequently Asked Questions
What is the A♯ Minor 7♯5 chord on piano?
Related Tools
References & Further Reading
The note names, intervals, fingering, and harmony on this chord page are grounded in the following sources. Public domain treatises and scores are linked to their full text; primary data reflects piano.org's own interval-derived dataset.
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piano.org(2024)
piano.org chord note dataset — 43 chord types × 18 keys, derived from interval construction rules
Primary data
Spot something that looks off? Use the note form below — corrections are reviewed by hand.
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