Restraint

F# - A - B - Esus2
F# - A - B (crazy trill hammer on thing)

Pre Chorus is something like
C#m7 - B -  A  - B

Chorus is
F# - A - E
F# - A - B
C#m - A - B
or something like that. Sorry this was semi rushed. As I work it out more I'll post.