Chords of: One and Only by: BOYNEXTDOOR. (Ab, Abmaj7, C#maj7, Ab6) 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.
“One and Only” by BOYNEXTDOOR is in Ab Major and runs at about 199 BPM, giving it a fast, energetic pace. Our analysis found 27 different chords across 97 chord changes; the ones that carry the song are Ab, Abmaj7, C#maj7, Ab6.
Abmaj7 is the chord you will hold longest — roughly 20% of the 2:50 the chords were tracked for. The song opens with Bb/F → F#dim → C#maj7 → Ab6 → C# → Abaug → Abmaj7 → Ab. Play the timeline above to hear each change land in real time.
Difficulty: advanced — 7 main chords with 12 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 | 0:35 | 20% |
| C#maj7 | 0:32 | 19% |
| Ab | 0:19 | 11% |
| Ab6 | 0:10 | 6% |
| F#dim | 0:08 | 5% |
| C7/E | 0:08 | 5% |
| Bbm7 | 0:08 | 5% |
| C#6 | 0:07 | 4% |
Bb/F – F#dim – C#maj7 – Ab6 – C# – Ab – C# – Abmaj7 – C# – Abaug – Bbm7 – Eb – Fm – Abmaj7 – Bbm7 – Eb6 – Fm – Abmaj7 – Fm – Eb/Bb – Eb6 – Ab – C7/E – Ab6 – C7 – Ab – C7 – Ab – C7/E – Abmaj7 – C7/E – Fm – Bbm – C#maj7 – Abmaj7 – C#6 – Abmaj7 – Bb/D – C#maj7 – Ab – C#maj7 – Ab – Bb – Ab – Bbm – Ab – C#6 – Ab – …
