Chords of: Knock by: ASTRO. (Abaug, Dm7, Bbmaj7, F6) 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.
“Knock” by ASTRO is in C Minor and runs at about 97 BPM, giving it a relaxed mid-tempo groove. Our analysis found 25 different chords across 148 chord changes; the ones that carry the song are Abaug, Dm7, Bbmaj7, F6.
Dm7 is the chord you will hold longest — roughly 18% of the 3:20 the chords were tracked for. The song opens with Bbmaj7 → D → Dm7 → F6 → Bb → F → Dm7 → Bb6. Play the timeline above to hear each change land in real time.
Difficulty: advanced — 9 main chords with 8 extended, altered or slash voicings. Guitar tip: put a capo on fret 3 and use A minor shapes — the song stays in C Minor but every chord becomes an open chord.
| Chord | Time held | Share |
|---|---|---|
| Dm7 | 0:37 | 18% |
| Bbmaj7 | 0:30 | 15% |
| C | 0:27 | 14% |
| Am7 | 0:16 | 8% |
| Bb6 | 0:14 | 7% |
| Bb | 0:10 | 5% |
| F6 | 0:09 | 5% |
| Am | 0:09 | 4% |
Bbmaj7 – D – Bbmaj7 – F – C – Dm7 – Am7 – F6 – Bb – F – C – Dm7 – Am7 – Bb – C – F – Bb – F/C – Dm7 – Am – Bb6 – C – Dm7 – C – Dm – C – Gm7 – Am7 – Bbmaj7 – C7/E – Gm7 – F/A – Bbmaj7 – Gm7 – Am7 – Bbmaj7 – Cmaj7 – Bb6 – C – Dm7 – Am7 – Bb6 – C – Dm7 – Bb – C6 – F – Dm – …
