Piano chords · Pop heartbeat
That’s When I Knew: piano accompaniment sheet music
Artist unknown
- G major
- 4/4
- 120 BPM
- Easy
That’s When I Knew written out as piano music: the I – v – IV – iv loop in G major for both hands, with chord names and finger numbers. Press play and follow the cursor. The left hand plays island pulse (root bass · tresillo 3-3-2), and the right hand sings the tune.
That’s When I Knew chord chart
The loop once round, bar by bar, in G major. The roman numeral says the chord's place in the key, so the same chart works in any key.
| Bar | Chord | Numeral | Notes |
|---|---|---|---|
| 1 | G | I | G B D |
| 2 | Dm | v | D F A |
| 3 | C | IV | C E G |
| 4 | Cm | iv | C Eb G |
What the sheet music shows
The grand staff: the right hand on the treble staff, the left hand on the bass staff, with the chord names above and a finger number on each note (1 is the thumb). It is the accompaniment: island pulse (root bass · tresillo 3-3-2) in the left hand, with the right hand free for the melody, over the G – Dm – C – Cm chords.
Press play and a cursor follows the music. Above it, Colours paints each note in its key’s colour and Note names writes its letter on its head.
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Questions about That’s When I Knew
Does the sheet music for That’s When I Knew have finger numbers?
Yes: every note of both hands has its finger number, 1 being the thumb. To read the notes alone, turn Fingers off above the music.
What chords are in That’s When I Knew?
The loop is G – Dm – C – Cm (I – v – IV – iv) in G major, and the song ends on C – Cm – G.
What key is That’s When I Knew in?
G major, at about 120 beats a minute in 4/4.
What does the left hand play in That’s When I Knew?
Island pulse: root bass · tresillo 3-3-2, an easy pattern. It follows the chords, so the same shape works for every bar.
Is That’s When I Knew easy to play on piano?
Yes. Both hands play easy patterns over 4 chords. Learn the chords first, then add one hand at a time.
Made from one arrangement of this song: the left and right hands are the patterns these scores repeat most.