Playing the A#5 Piano Chord
The A#5 chord is a power chord chord built on the root A#. It contains 2 notes: A#, F. On piano, this chord is played by pressing these keys simultaneously or as an arpeggio.
Root and perfect fifth only — no third. Versatile in rock and metal with distortion. Mastering the A#5 chord opens up countless songs and progressions in the key of A#.
Piano Finger Positions for A#5
For the A#5 extended chord, use these finger positions:
- Right hand (root position): Thumb (1) on A#, index (2) on next note.
- Arpeggiated: Play the notes sequentially from lowest to highest for a broken extended effect.
Interval Structure of A#5
| Degree | Interval | Semitones | Note in A# |
|---|---|---|---|
| Root | Root (R) | 0 | A# |
| 3rd | Perfect 5th | 7 | F |
Common Progressions with A#5 on Piano
- I–IV–V–I: A#5 – D#5 – F5 – A#5 (classic cadence)
- I–V–vi–IV: A#5 – F – Gm – D# (pop progression)
- ii–V–I: Cm – F – A#5 (jazz turnaround)