Chords of: 20/21 by: Sevn Alias. (Cm, Cm7, Cmaj7, C7) 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.
“20/21” by Sevn Alias is in C Minor and runs at about 146 BPM, giving it a fast, energetic pace. Our analysis found 8 different chords across 28 chord changes; the ones that carry the song are Cm, Cm7, Cmaj7, C7.
Cm is the chord you will hold longest — roughly 34% of the 2:40 the chords were tracked for. The song opens with Cm → Bb6 → C7 → Cm7 → C7 → Abmaj7 → Cm → Cm7. Play the timeline above to hear each change land in real time.
Difficulty: advanced — 4 main chords with 4 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 |
|---|---|---|
| Cm | 0:55 | 34% |
| Cm7 | 0:49 | 31% |
| Cmaj7 | 0:25 | 16% |
| C7 | 0:20 | 12% |
| Abmaj7 | 0:05 | 3% |
| Bb6 | 0:04 | 3% |
| Bmaj7 | 0:02 | 1% |
| B | 0:01 | 1% |
Cm – Bb6 – Abmaj7 – C7 – Cm7 – Abmaj7 – Cm7 – Bb6 – Cm7 – C7 – Abmaj7 – C7 – Cm – B – Cm7 – Abmaj7 – Cmaj7 – Bmaj7 – Cm7 – Cmaj7 – Cm7 – Cmaj7 – Bb6 – Cmaj7 – Cm – Abmaj7 – C7 – Cm
