Chords in the Key of A# Major

Every major key has seven diatonic chords — three major (I, IV, V), three minor (ii, iii, vi), and one diminished (vii°) — built from the notes of its major scale. Choose a key below to see its chords with Roman numerals, its scale, and common progressions, each linked to full chord voicings on guitar.

Key of C major
Key of C# / Db major
Key of D major
Key of D# / Eb major
Key of E major
Key of F major
Key of F# / Gb major
Key of G major
Key of G# / Ab major
Key of A major
Key of A# / Bb major
Key of B major

The key of A# major contains seven diatonic chords, one built on each degree of the A# major scale: A#, Cm, Dm, D#, F, Gm, A°. Numbered with Roman numerals (I–vii°), these are the chords that belong naturally to the key, and nearly every song in A# major draws from them.

Learn the pattern behind them — major on I, IV, and V, minor on ii, iii, and vi, diminished on vii° — and you can spell the chords of any major key. Use the table on this page to see each chord's notes, then jump to the chord library for fingerings or to the progressions section to hear how the key's chords move together.