Use the "normal chords" on verse and bridge. When the chorus breaks, use the open chords
pointed out below.
Standard tuning
Verse:
Bridge:
Chorus:
Open Chords used:
C# - [x 4 6 6 5 0]
B - [0 9 9 8 0 0]
E - [0 7 9 9 0 0]
A - [0 7 7 6 0 0]