From This Might Be A Wiki
Song name Run time Releases Year Differences from other versions
Contrecoup (Demo) 1:35

TMBG Clock Radio, Podcast 6B, Podcast 47 2005 Original version of the song. Features a guitar, metronome, and two keyboard tracks (one is "bass"). No guitar solo or outro.
Contrecoup 3:11

The Else 2007 Additional bridge, minor changes to refrain. An extra guitar, live drums, and a bass guitar are used on the song, with a slightly different arrangement.
Contrecoup (Alternate Version) 3:32

Unreleased 2007 Extended outro, featured only on TMBG's Myspace.
Contrecoup (Live Radio Version) 3:12

Dial-A-Song (2015) 2015