A♯ Major 11th
Hear the A♯ Major 11th chord played for you.
Introduction
The A♯ Major 11th chord is a six-note chord made up of A♯, D, F, A, C, and D♯. It is built from a root, major third, perfect fifth, major seventh, major ninth, and perfect eleventh.
Notes
Key Signature
The key of A# Major 11th (enharmonically equivalent to Bb Major 11th) has 2 flats.
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.
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:
Theory: Intervals
The A♯ Major 11th is built by stacking intervals from the root note. The formula R-M3-P5-M7-M9-P11 describes the scale degrees used. The intervals P1-M3-P5-M7-M9-P11 show the distance between each note in the chord.
A♯ Major 11th — Frequently Asked Questions
What notes are in the A# Major 11th chord?
How is the A# Major 11th chord used in music?
What is the fingering for A# Major 11th?
What are the inversions of A# Major 11th?
Practice Tips
- Extended jazz voicing with the 11th.
- Drop notes for practical voicings.
- The 11th adds suspension.
- Compare with the 9th version.
- Jazz and funk applications.
- Quartal voicings work well.