CHORD LIBRARY

Play along A I O, chord by chord.

Chords of: A I O by: Angel Dior. (Bbmaj7, Bbm, Cm7b5/Bb, Bb) 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.

About the chords of “A I O”

“A I O” by Angel Dior is in Bb Major and runs at about 160 BPM, giving it a fast, energetic pace. Our analysis found 17 different chords across 48 chord changes; the ones that carry the song are Bbmaj7, Bbm, Cm7b5/Bb, Bb.

Bbm is the chord you will hold longest — roughly 17% of the 2:57 the chords were tracked for. The song opens with Ebm → F#7/A# → Bbm → F# → Bbm → Bbm7 → Bb → Ebm7. Play the timeline above to hear each change land in real time.

Difficulty: advanced — 9 main chords with 15 extended, altered or slash voicings. Guitar tip: put a capo on fret 1 and use A major shapes — the song stays in Bb Major but every chord becomes an open chord.

Chord frequency

ChordTime heldShare
Bbm0:3017%
Bb0:2212%
Cm7b5/Bb0:2112%
Ebm70:2112%
F#7/A#0:1810%
Bbmaj70:1710%
Bmaj70:137%
Ebm0:085%

Chord progression, in order

Ebm – F#7/A# – Bbm – F# – Bbm – Bbm7 – Bb – Ebm7 – Bbm – Cm7b5/Bb – Bb – Bbm7 – Bbmaj7 – Eb6 – Bbm – Ebmaj7 – Bbmaj7 – F#7/A# – Bb – Ebm7 – Bb – Bbaug – Bbm – Cm7b5/Bb – Bbm7b5 – Bmaj7 – Bbaug – Bmaj7 – Bbm7b5 – C7/E – F#7/A# – Bb7 – C#7/E# – Ebm – Bb – Ebm7 – Bbm – Ebm7 – Bbm – Bmaj7 – Bbaug – Bbm – Bmaj7 – Bbmaj7 – Ebm7 – Bb – Bmaj7 – Bbmaj7