About the chords of “21”

“21” by Eves Laurent, Frenna is in C Minor and runs at about 143 BPM, giving it a fast, energetic pace. Our analysis found 42 different chords across 150 chord changes; the ones that carry the song are Cm7b5/Bb, Bb7, Ebm6, Fm7b5.

Bb7 is the chord you will hold longest — roughly 12% of the 2:54 the chords were tracked for. The song opens with Bmaj7 → B6 → Cm7b5 → F7 → Bmaj7 → Ebm6 → Cm7b5 → Cm7. Play the timeline above to hear each change land in real time.

Difficulty: advanced — 9 main chords with 12 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 frequency

Chord progression, in order

Dm7b5 – Bm – Abm – Eb – Bbm – Ebm – Bb7/D – Bm – Abm – Bbm – Ebm – Dm7b5 – Bm – Abm – Bb – F – Ebm – Bb7/D – Bm – Abm – Bb – Ebm – Fdim – Bm – Abm – Bmaj7 – Fm6 – Abm – Cm7 – Bb7 – B6 – Bb7 – C#maj7 – Abm – Cm7 – Caug – Fm – B6 – Eb6 – Fm7 – Abm7 – Cm7b5/Bb – Fm – Cm7b5 – Fm – Bm6 – Eb6 – Bb7 – …

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