Theory of a Deadman

Theory of a Deadmanis a Canadian rock band who have a total of seven top 10 hits on the Hot Mainstream Rock Tracks chart, including two No. 1 hits, "Bad Girlfriend" and "Lowlife". Theory of a Deadman became the first act to sign with Nickelback frontman Chad Kroeger's 604 Records imprint in 2001.

They released their self-titled debut album Theory of a Deadman in September 2002 which included the song The Last Song which the lyrics describe a man preparing to commit suicide.

In March 2005, Theory of a Deadman released their second album, Gasoline, and the band toured with Shinedown and No Address.Songs from Gasoline appeared in the soundtrack of the 2005 video game Fahrenheit, which was released under the title "Indigo Prophecy" in the United States.

The band performed the theme song to World Wrestling Entertainment's No Way Out 2006 pay-per-viewand they did a cover of "No Chance In Hell", the theme tune for Vince McMahon.

In April 2008, Theory of a Deadman released their third album, Scars & Souvenirs, from which they released eight singles, "So Happy", "By the Way", "Little Smirk", "Bad Girlfriend", "All or Nothing", "Hate My Life", "Not Meant to Be" and "Wait for Me". In April 2009, Scars & Souvenirs was certified gold by the RIAA, with sales reaching 500,000 copies in the U.S. alone.

In July 2011, the band released their fourth album, The Truth Is..., along with the first single, "Lowlife".

The band contributed a new song, "Head Above Water", to the Transformers: Dark of the Moon soundtrack. Other songs released from the album include "Drag Me to Hell" and "Out Of My Head".