Chords of: Planetarium by: Suisei Hoshimachi. (C, Am7, Am, F) 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 Suisei Hoshimachi is in C Major and runs at about 146 BPM, giving it a fast, energetic pace. Our analysis found 31 different chords across 145 chord changes; the ones that carry the song are C, Am7, Am, F.
C is the chord you will hold longest — roughly 31% of the 3:40 the chords were tracked for. The song opens with C → G → Am → F → C → Dm7b5/C → G6 → C. Play the timeline above to hear each change land in real time.
Difficulty: advanced — 8 main chords with 4 extended, altered or slash voicings. Guitarists can play it as written — C Major sits in open-chord territory, no capo needed.
| Chord | Time held | Share |
|---|---|---|
| C | 1:08 | 31% |
| Am | 0:22 | 10% |
| G | 0:20 | 9% |
| Am7 | 0:19 | 8% |
| Cmaj7 | 0:14 | 6% |
| F | 0:13 | 6% |
| Fmaj7 | 0:10 | 5% |
| Em7 | 0:09 | 4% |
Cm – Em – G – C – Cmaj7 – G – D – Am – E – F – F6 – C – Cmaj7 – Dm7b5/C – G6 – C – F – Cmaj7 – Am – Em7 – F – C – Bm7b5/A – C – G – Am – Dm7 – G6 – C – D7 – Fmaj7 – G – F – Am – G – Am – Cmaj7 – Am – G – Fmaj7 – G – C – Am – G – Am – Em7 – Fmaj7 – G – …
