ScaleRoot

A♯ Major

The major scale (Ionian mode): seven notes following whole–whole–half–whole–whole–whole–half. The foundational scale of Western tonal music, with a bright, resolved character.

Notes

1A♯

2B♯

3C𝄪

4D♯

5E♯

6F𝄪

7G𝄪

Diatonic chords

Triads

7th chords

Common progressions

I–IV–V

A♯–D♯–E♯

The classic three-chord progression of rock, blues, and country.

I–V–vi–IV

A♯–E♯–F𝄪m–D♯

The pop progression — heard in everything from "Don't Stop Believin'" to "Let It Be".

I–vi–IV–V

A♯–F𝄪m–D♯–E♯

The 50s doo-wop progression ("Earth Angel", "Stand By Me").

vi–IV–I–V

F𝄪m–D♯–A♯–E♯

The same chords as I–V–vi–IV, starting on the relative minor. Sounds wistful where I–V–vi–IV sounds uplifting.

ii7–V7–Imaj7

B♯m7–E♯7–A♯maj7

The fundamental cadence of jazz harmony — m7 to dominant 7 to major 7.