Chords of: Birthday by: AK26. (C#maj7, Abmaj7, Ab, C) 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.
“Birthday” by AK26 is in Ab Major and runs at about 92 BPM, giving it a relaxed mid-tempo groove. Our analysis found 31 different chords across 125 chord changes; the ones that carry the song are C#maj7, Abmaj7, Ab, C.
Abmaj7 is the chord you will hold longest — roughly 33% of the 3:50 the chords were tracked for. The song opens with Ab → Abmaj7 → Ab/C → Abmaj7 → Ab7 → C → Ab → Cm7. Play the timeline above to hear each change land in real time.
Difficulty: advanced — 8 main chords with 10 extended, altered or slash voicings. Guitar tip: put a capo on fret 1 and use G major shapes — the song stays in Ab Major but every chord becomes an open chord.
| Chord | Time held | Share |
|---|---|---|
| Abmaj7 | 1:17 | 33% |
| Ab | 0:23 | 10% |
| G7 | 0:18 | 8% |
| C | 0:17 | 7% |
| Em7b5/D | 0:13 | 6% |
| Cm7 | 0:12 | 5% |
| Cmaj7 | 0:11 | 5% |
| Ab/C | 0:10 | 4% |
Ab – G7/B – F/C – Ab – G – Ab – Gm – F#maj7 – F/C – G7 – Abmaj7 – G7 – Ab/C – Gm7 – Abmaj7 – G7 – Ab7 – G7 – C – G7 – Ab – Ebmaj7 – Cm7 – G7 – Ab – G7 – C – G7 – Ab – Ebmaj7 – Gm6 – C#maj7 – Em7b5/D – C#maj7 – Em7b5/D – Bdim – Ab7/C – E7 – Cm7 – Abmaj7 – Cmaj7 – Abmaj7 – C7 – C#7 – Abmaj7 – Gm7 – C7 – C#7 – …
