When you put the 'Thumbsucker' soundtrack CD into your computer all the tracks are credited to Tim DeLaughter, but I really don't see why. On the sleeve it says 'Tim DeLaughter and THE POLYPHONIC SPREE' (The Polyphonic Spree in bigger characters). It really is Polyphonic Spree music, like all their other stuff. Very clearly not Tim solo. I scrobble Thumbsucker as a Polyphonic Spree album (not the Elliott Smith songs, of course).