Listen plays the chord. Play Along lights up each note in order so you can follow.
A♯7♯11
A♯ – C♯♯ – D♯♯ – E♯ – G♯
Formula:R-M3-A4-P5-m7
Intervals:P1-M3-A4-P5-m7
Scale Degrees:1-3-#4-5-b7
Introduction
The A# Dominant 7th Sharp 11 chord in root position on a piano keyboard, notes A#, D, E, F, G#.
The A♯ Dominant 7th Sharp 11 chord is a five-note chord made up of A♯, C♯♯, D♯♯, E♯, and G♯. It is built from a root, major third, augmented fourth, perfect fifth, and minor seventh.
Notes
Notes:A♯ – C♯♯ – D♯♯ – E♯ – G♯
Key Signature
The key of A# Dominant 7th Sharp 11 (enharmonically equivalent to Bb Dominant 7th Sharp 11) 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:
The A♯ Dominant 7th Sharp 11 is built by stacking intervals from the root note. The formula R-M3-A4-P5-m7 describes the scale degrees used. The intervals P1-M3-A4-P5-m7 show the distance between each note in the chord.
Keep going with the Dominant 7th Sharp 11 chord — these pages cover the underlying theory, the connected reference material, and the practice tools that work with this chord.
