Key of D
The key of D major has two sharps (F♯, C♯). Its seven notes are D, E, F♯, G, A, B, and C♯. Its relative minor is B Minor, which shares the same notes and key signature. The chords that belong to the key are I D major, ii E minor, iii F♯ minor, IV G major, V A major, vi B minor, vii° C♯ diminished. Its dominant is A major and its subdominant is G major — the keys it most naturally moves toward. Keys built on sharps, like D major, are traditionally described as bright and brilliant.
Key Signature
The notes of the D Major come from D Major, so it carries that key signature: 2 sharps (F♯, C♯).
Order of sharps
Sharps are added to a key signature in a fixed order. Each new sharp key adds the next sharp on the list.
Mnemonic: Father Charles Goes Down And Ends Battle
Relative minor: B Minor scale — same notes, same key signature, different home note.
Chords in the Key of D Major
Every major key is built from seven diatonic chords — one on each note of the scale. In D major they are I D Major, ii E Minor, iii F♯ Minor, IV G Major, V A Major, vi B Minor, and vii° C♯ Diminished. Tap any chord to light it up on the keyboard.
Common chord progressions in D major
Everything in the key of D
Every chord, scale, and mode in D — click any link for the full interactive page with piano diagrams, audio, notation, and fingerings.