A♯ Power
Also Known As
Hear the A♯ Power chord played for you.
A♯5
A♯ – F
Formula:R-P5
Intervals:P1-P5
Scale Degrees:1-5
Introduction
The A♯ Power chord is a two-note chord made up of A♯ and F. It is built from a root and perfect fifth.
The A# Power piano chord (A#5) consists of the notes A#, F. Formula: R-P5 | Scale degrees: 1-5.
Notes
A♯ Power Inversions
| Position | Notes |
|---|---|
| Root Position | A♯ – F |
| 1st Inversion | F – A♯ |
| 2nd Inversion | — |
Key Signature
The key of A# Power (enharmonically equivalent to Bb Power) has 2 flats.
B♭E♭
Order of flats
Flats are added in a fixed order — the reverse of the sharp order. Each new flat key adds the next flat on the list.
B♭E♭A♭D♭G♭C♭F♭
Mnemonic: Battle Ends And Down Goes Charles’ Father
Chords in the Key of A♯ Major
These are the diatonic triads built on each degree of the A♯ major scale:
C
D
E
F
G
A
B
C
D
E
F
G
A
B
I — A♯ Major (major)
Theory: Intervals
Formula: R-P5
Intervals: P1-P5
The A♯ Power is built by stacking intervals from the root note. The formula R-P5 describes the scale degrees used. The intervals P1-P5 show the distance between each note in the chord.
A♯ Power — Frequently Asked Questions
What notes are in the A# Power chord?
The A# Power chord (A#5) contains 2 notes: A#, F. Formula: R-P5.
How is A#5 used in music?
A#5 is used in jazz, fusion, and contemporary music to add harmonic color. It appears as a dominant or tonic chord depending on context.
What is the scale degree formula for A#5?
A#5 uses scale degrees 1-5, giving it its distinctive sound.
Practice Tips
- Start by placing your thumb on A# and spacing remaining fingers across the chord.
- Practice A#5 slowly with separate hands before combining.
- Listen carefully to the tension created by the altered tones in this chord.
- Try voicing A#5 in different octaves to find the most comfortable position.
- Resolve A#5 to a nearby chord to hear its function in context.
Related Tools
Chord FinderLook up any chord — see the notes, hear it, and play along.Chord DrillTimed drills to build speed and recognition across all chord types.Practice RoomPlug in a MIDI keyboard and get real-time feedback on every chord and scale.Circle of FifthsVisualize key relationships, relative minors, and key signatures.MIDI MonitorLive MIDI message stream with note names, velocity, and a scrolling staff.