The song starts out in Dave's special version of C#m7

4/4 - time

C#m7 :  x42400  You've got your
???? :  x02400  ball you
E5/B :  x22400  got your
E5   :  022400  chain

E5/G#:  4x2400  Tied to me
?????:  x02400  tie me tied t-
E5/B :  x22400  ie me up a-
E5E5 Piano Chord 
   :  022400  gain

Repeat...

This progression goes on throughout the song.  It is important to remember
to hit the bass notes perfectly.  The first bass not is a C#, A, B, E, G#,
A, B, E... and so on and so on.  You'll notice Dave and Steffan doing the
same in most concerts.  You'll need to listen to the song to get the write
rythm down, it shouldn't be too difficult at all.
When he say's "Crash, into me, yeah"  it goes like this:
the notes with (*) by them are just bass notes G#,A, B

EE Piano Chord 
      G#*G#* Piano Chord 
   A*A* Piano Chord 
 B*B* Piano Chord 
  D/F#D/F# Piano Chord 

Crash, In    to Me, Yeah               D/F#: 2x0230

After this, the standard progression starts over.  Have fun, it's a
beautiful song.