ok both of the others are wrong here is the way chris really plays it
(if you think I'm wrong, watch him play, half the time he's strumming open,
that dosn't happen in these other versions. this one is right.)

tuning-
Db
Ab
Db
Db
db
(ok if you have light strings this won't work, so try it straight insteasd of flat)

verses-(so quiet....)&(closed lipped....)
Db-0-------0----0
Ab-o-------2----0
Db-o-------4----2
Db-o-------4----2
Db-o-------0----0
db-0-------0----0

chorus-(please tell me your....)
-0----0----0----5
-3----0----2----5
-5----2----4----5
-5----2----4----0
-0----0----0----0
-0----0----0----0

interlude-(i'll wait untill tomorrow.....)
-2----5----0----7
-2----5----5----7
-2----5----7----7
-0----0----7----0
-0----0----0----0
-0----0----0----0

ok now go have fun playing the right way