Chords of: Siren by: SMTOWN. (Cmaj7, Gmaj7, C6, Bm) 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.
“Siren” by SMTOWN is in C Major and runs at about 105 BPM, giving it a relaxed mid-tempo groove. Our analysis found 23 different chords across 41 chord changes; the ones that carry the song are Cmaj7, Gmaj7, C6, Bm.
Gmaj7 is the chord you will hold longest — roughly 39% of the 1:01 the chords were tracked for. The song opens with F# → Gmaj7 → F# → Gmaj7 → C6 → Ab7 → Gmaj7 → Bm. Play the timeline above to hear each change land in real time.
Difficulty: advanced — 6 main chords with 7 extended, altered or slash voicings. Guitarists can play it as written — C Major sits in open-chord territory, no capo needed.
| Chord | Time held | Share |
|---|---|---|
| Gmaj7 | 0:24 | 39% |
| C6 | 0:08 | 13% |
| Bm | 0:06 | 9% |
| F# | 0:04 | 7% |
| Ab7 | 0:04 | 6% |
| Cdim | 0:03 | 4% |
| Cmaj7 | 0:02 | 3% |
| Gaug | 0:02 | 3% |
F# – Em – Abm7b5 – F# – B – Gmaj7 – F# – Gmaj7 – F# – Cdim – Gmaj7 – C6 – C# – Cm – B/C# – C6 – Ebm7 – Gm7b5/F – Ab7 – Gmaj7 – Fmaj7 – Ab7 – Ebm – Abm7 – Gmaj7 – Bm – Gmaj7 – C7 – Cdim – Bm – Gmaj7 – Cmaj7 – Cdim – E/D – Gaug – D7 – C#m7 – Gmaj7 – Bm – Gmaj7 – Cmaj7