Chords of: 40% by: Aya Nakamura. (Abm7, B, B6, Bmaj7) 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.
“40%” by Aya Nakamura is in B Major and runs at about 181 BPM, giving it a fast, energetic pace. Our analysis found 29 different chords across 119 chord changes; the ones that carry the song are Abm7, B, B6, Bmaj7.
B is the chord you will hold longest — roughly 33% of the 3:01 the chords were tracked for. The song opens with D7 → Ebm7b5/Db → Dmaj7 → B/A → Bmaj7 → Emaj7 → B → Bmaj7. Play the timeline above to hear each change land in real time.
Difficulty: advanced — 6 main chords with 8 extended, altered or slash voicings. Guitar tip: put a capo on fret 2 and use A major shapes — the song stays in B Major but every chord becomes an open chord.
| Chord | Time held | Share |
|---|---|---|
| B | 1:01 | 33% |
| Abm | 0:19 | 10% |
| Emaj7 | 0:19 | 10% |
| E6 | 0:13 | 7% |
| Bmaj7 | 0:12 | 7% |
| Abm7 | 0:09 | 5% |
| F# | 0:04 | 2% |
| B6 | 0:04 | 2% |
D7 – F#m7b5 – Ebm7b5/Db – Dmaj7 – B/A – Abm – Emaj7 – Bmaj7 – Emaj7 – B – F# – Abm – B – C#7 – Bmaj7 – Abm – B – E – Bmaj7 – Abm – E6 – B – F# – Abm – E6 – B – F#maj7 – Abm – C#m – B – F#6 – Abm – E6 – B – Abm – Bmaj7 – C#7 – B – Abm – Bb/Ab – Emaj7 – B – C#7/E# – B/C# – E – E6 – B – E6 – …
