Chords of: Planetarium by: Ai Otsuka. (Bmaj7, F, Dm7, Bbmaj7) 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.
“Planetarium” by Ai Otsuka is in F Major and runs at about 89 BPM, giving it a relaxed mid-tempo groove. Our analysis found 39 different chords across 205 chord changes; the ones that carry the song are Bmaj7, F, Dm7, Bbmaj7.
Dm7 is the chord you will hold longest — roughly 11% of the 6:12 the chords were tracked for. The song opens with C → Am7b5/G → Gm → Bb → C7/E → Dm7 → C → C6. Play the timeline above to hear each change land in real time.
Difficulty: advanced — 8 main chords with 7 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 |
|---|---|---|
| Dm7 | 0:41 | 11% |
| C | 0:31 | 8% |
| F | 0:30 | 8% |
| Bb | 0:27 | 7% |
| Gm7 | 0:24 | 6% |
| Bbmaj7 | 0:23 | 6% |
| Gm | 0:21 | 6% |
| C7 | 0:16 | 4% |
C – Am7b5/G – Gm – Bb – C7/E – Dm7 – C – Dm7 – Bb6 – Bbmaj7 – C6 – Fmaj7 – Dm – Am – Bbdim – Bbmaj7 – Am – Bbmaj7 – Bb6 – D7 – Am – Bbmaj7 – Dm7 – C6 – Bbmaj7 – F6 – Am7b5 – Bbmaj7 – Fmaj7 – Gm – Bb – C7 – Dm7 – Am7 – Bbmaj7 – Dm7 – Am7 – Bbmaj7 – Dm7 – Am7 – Bbmaj7 – Gm – Bb – C – Gm7 – Cm – C7/E – C6 – …
