Chords of: Intro: Serendipity by: BTS. (Cm7, Abmaj7, C#maj7, Ab) 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.
“Intro: Serendipity” by BTS is in Ab Major and runs at about 65 BPM, giving it a slow, laid-back feel. Our analysis found 18 different chords across 70 chord changes; the ones that carry the song are Cm7, Abmaj7, C#maj7, Ab.
Abmaj7 is the chord you will hold longest — roughly 29% of the 2:18 the chords were tracked for. The song opens with Bb7 → Abmaj7 → C# → Ab → Bbm → Ab → Cm → Eb/Db. 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 G major shapes — the song stays in Ab Major but every chord becomes an open chord.
| Chord | Time held | Share |
|---|---|---|
| Abmaj7 | 0:39 | 29% |
| C#maj7 | 0:20 | 15% |
| Ab | 0:18 | 13% |
| C#6 | 0:10 | 7% |
| Ab6 | 0:08 | 6% |
| Cm | 0:07 | 5% |
| Bbm | 0:07 | 5% |
| Eb/Db | 0:07 | 5% |
Bb7 – Cm – Eb7/G – C#6 – Abmaj7 – Ab6 – Bb – Cm – C# – Ab – Bbm – C#maj7 – Bbm – Ab – C7 – Ab – C# – Ebm7b5/Db – Cm – Bbm – Eb/Db – Ab – Fm – Eb/Db – C#maj7 – Abmaj7 – Eb7/G – Cm7 – Ab – C#6 – Eb/Db – Cm – C# – Ab – Cm7 – C#maj7 – Ab6 – Abmaj7 – Bbm – Cm – C#6 – Ab6 – Abmaj7 – Eb – C#maj7 – Abmaj7 – C#6 – Abmaj7 – …