Chords of: Lost Cause by: Billie Eilish. (F7, Bbm, Ab6, Bbm7) 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.
“Lost Cause” by Billie Eilish is in Bb Minor and runs at about 75 BPM, giving it a slow, laid-back feel. Our analysis found 33 different chords across 95 chord changes; the ones that carry the song are F7, Bbm, Ab6, Bbm7.
Bbm is the chord you will hold longest — roughly 14% of the 3:24 the chords were tracked for. The song opens with F#6 → F7 → Eb/Bb → Ab6 → Eb/F → Abm6 → Fm7 → F#maj7. Play the timeline above to hear each change land in real time.
Difficulty: advanced — 8 main chords with 11 extended, altered or slash voicings. Guitar tip: put a capo on fret 1 and use A minor shapes — the song stays in Bb Minor but every chord becomes an open chord.
| Chord | Time held | Share |
|---|---|---|
| Bbm | 0:29 | 14% |
| F7 | 0:24 | 12% |
| Ab6 | 0:20 | 10% |
| F#maj7 | 0:20 | 10% |
| Bbm7 | 0:17 | 8% |
| Ab | 0:16 | 8% |
| F#6 | 0:11 | 5% |
| Cm7b5/Bb | 0:09 | 4% |
Bbmaj7 – Abmaj7 – F7 – Ab – Cm7b5/Bb – Abmaj7 – F#6 – Abmaj7 – F7 – Eb7 – Cm – Eb/Bb – Amaj7 – Ab6 – F#maj7 – Abmaj7 – Eb/F – C#maj7 – Bbdim – Bbm – Abmaj7 – Abm6 – Bbm – Fm7 – F#maj7 – C#/E# – Cm7b5/Bb – F7/A – Ab – F# – Bbm – Fm7b5 – Ebm7 – Eb/Bb – Bbm – Ab – F#6 – Fmaj7 – Bbm – Bbm7b5/Ab – Eb/Bb – Abm6 – F#maj7 – F7 – Eb7 – Bbdim – Ab6 – F#7 – …
