A# power chord · Piano
A#5 Chord on Piano
The A#5 chord (A# power chord) is built from the notes A# and F. The keyboard diagram below shows exactly which keys to press. The same chord is also written Bb5; both spellings sound identical.
Chord diagrams
Notes in this chord
- A♯
- F
Degrees: 1 – 5
Also written: Bb5
How to play
To play A#5 on piano, press A# and F together. In root position the lowest note is A#, and the finger numbers follow the keys left to right in the diagram.
Theory behind the chord
Power chords drop the third entirely, leaving only the root and the fifth. Because they are neither major nor minor, they stay clean under high gain and are the backbone of rock and metal riffs. On A#5 this structure sits on the root A#, so the degrees 1 – 5 map onto A# and F.
Frequently asked questions
- Which notes are in the A#5 chord?
- A#5 contains the notes A# and F. Relative to the root these are the degrees 1 – 5.
- Are A#5 and Bb5 the same chord?
- Yes. A#5 and Bb5 are enharmonically identical — the spelling differs but the frets and keys are the same. Which name is used depends on the key of the piece.
Practise A#5 on your phone
Minory bundles the full chord library with a tuner, metronome and repertoire notebook — and it all works offline.
