Theory of a Deadman is a Canadian post-grunge rock band from Delta, British Columbia signed to Roadrunner Records. The band also includes traits of other music styles, such as country, metal and more acoustic elements. The band's lead singer, Tyler Connolly, gave Nickelback's Chad Kroeger a demo tape of their music while at an after-show party. So far, they have a total of 4 top 10 hits on the Mainstream Rock Chart, including one #1 hit, "Bad Girlfriend." They have also scored two #1 hits in their native Canada.