Matthew Arnold Matt Thiessen is a Canadian-American musician, known for being co-founder, lead singer, guitarist, pianist, and primary songwriter for the Christian rock band Relient K. With Relient K, he has released seven full-length albums, including three that were certified Gold, and three that peaked in the top twenty on the Billboard 200. Outside of his work with Relient K, Thiessen maintains a low-profile side project called Matthew Thiessen and the Earthquakes. In 2009, he co-produced an...
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