Siren

Keyboard? intro (for guitar)

E[--|--------|--------|---------|--------]
B[--|5-------|3-------|1-----1h3|0-------]
G[2-|------2-|------2-|-----2---|------2-]
D[--|-------2|-------2|---------|--------]
A[--|--------|--------|---------|--------]
E[--|--------|--------|---------|--------]


E[--------|--------|---------|--------]
B[1-------|0-0-----|0--------|--------]
G[------2-|------2-|-2-------|2<------]
D[-------0|-2-----2|---------|2<------]
A[--------|--------|---------|0<------]
E[--------|--------!---------|--------]

1st Verse (guitar)

E[----0---|----0---|--------|--------]
B[--------|--------|----1---|----1---]
G[--2---2-|--2---2-|--2---2-|--2---2-]
D[4-------|3-------|2-------|2-------]
A[--------|--------|--------|--------]
E[--------|--------|--------|--------]

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1st Verse

F#m F Am Am

(you can play the first two with the B an E string open, as we're approximating 
it doesn't really matter)

Chorus

Dsus2 (or possibly D minor) Csus2 Emadd6 A (or possibly A7) (repeat)

If there’s anyone now going "what?", that's
The 1st verse guitar loop then plays again twice, then it's 
just A5 F5 A5 F5 (power chords) repeated until you reach the 
chorus again, which plays thru three times then stops dead.