Chords of: Prologue by: JO1. (F, Gm7, Bb6, Dm7) are the main chords of the song. The chords are displayed instantly in real-time with a YouTube player, four synced views, instrument diagrams, loop practice and a built-in vocal-remover mixer.
“Prologue” by JO1 is in F Major and runs at about 94 BPM, giving it a relaxed mid-tempo groove. Our analysis found 28 different chords across 104 chord changes; the ones that carry the song are F, Gm7, Bb6, Dm7.
F is the chord you will hold longest — roughly 31% of the 3:35 the chords were tracked for. The song opens with Fm → F → G7 → Bb6 → Bb → F → Gm7 → F. Play the timeline above to hear each change land in real time.
Difficulty: advanced — 5 main chords with 5 extended, altered or slash voicings. Guitar tip: put a capo on fret 1 and use E major shapes — the song stays in F Major but every chord becomes an open chord.
| Chord | Time held | Share |
|---|---|---|
| F | 1:06 | 31% |
| Bb6 | 0:32 | 15% |
| Gm7 | 0:32 | 15% |
| Dm7 | 0:13 | 6% |
| G7/B | 0:10 | 5% |
| C | 0:07 | 3% |
| G7 | 0:07 | 3% |
| Bb | 0:07 | 3% |
Fm – G7/B – F – G7 – F/G – Bb – Bb6 – Bb – F – C – Gm7 – F – Bb6 – C – Bb6 – F – Bb6 – Dm7 – Bb6 – F – Gm7 – C7 – Bb6 – F – Gm7 – F – Bbm – C6 – F – G7/B – Gm7 – Bb6 – F – Cm – F – G7 – F/G – Bb6 – F – Cm7 – Gm7 – F – C – Gm7 – Cm – F – F6 – Bb6 – …
