Construction
D Add 4 = Root + Major 3rd + Perfect 4th + Perfect 5th = D, F♯, G, A
| Note | Interval | Degree |
|---|---|---|
| D | Root | 1 |
| F♯ | Major 3rd | 3 |
| G | Perfect 4th | 4 |
| A | Perfect 5th | 5 |
Fingering
| Note | Key color | Right hand | Left hand |
|---|---|---|---|
| D | white | thumb (1) | little finger (5) |
| F♯ | black | index finger (2) | middle finger (3) |
| G | white | middle finger (3) | index finger (2) |
| A | white | little finger (5) | thumb (1) |
Right hand: thumb (1) on D, index finger (2) on F♯, middle finger (3) on G, little finger (5) on A.
Left hand: little finger (5) on D, middle finger (3) on F♯, index finger (2) on G, thumb (1) on A.
Key Signature
A chord has no key signature of its own, but the D Add 4 is the tonic (I) chord of D Major, whose key signature has 2 sharps (F♯, C♯).
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.
F♯C♯G♯D♯A♯E♯B♯
Mnemonic: Father Charles Goes Down And Ends Battle
Chords in the Key of D Major
These are the triads built on each degree of D Major:
D Add 4 : Frequently Asked Questions
What is the D Add 4 chord on piano?
The D Add 4 chord contains the notes D – F♯ – G – A. On piano, play these notes together to sound the chord.