Chords of: I Don't Know by: Erika de Bonis. (Abm7b5, B, 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.
“I Don't Know” by Erika de Bonis is in B Major and runs at about 130 BPM, giving it an upbeat, driving pulse. Our analysis found 15 different chords across 204 chord changes; the ones that carry the song are Abm7b5, B, Bmaj7.
B is the chord you will hold longest — roughly 36% of the 3:15 the chords were tracked for. The song opens with B → Bmaj7. Play the timeline above to hear each change land in real time.
Difficulty: advanced — 6 main chords with 6 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 | 1:09 | 36% |
| F# | 0:29 | 15% |
| Abm | 0:25 | 13% |
| Abm7 | 0:24 | 12% |
| E | 0:23 | 12% |
| F#6 | 0:10 | 5% |
| E6 | 0:03 | 1% |
| Bbm7b5/Ab | 0:03 | 1% |
Abm – E – B – F# – Abm – E – B – F# – Abm – E – B – F# – Abm7 – E – B – Abm – E – B – F# – Abm – E – B – F# – Abm – E – B – F#maj7 – Abm – E – B – F# – Abm – E – B – F# – Abm – E6 – B – F# – Abm – E – B – F# – Abm – E – B – F#7 – Abm – …
