Nathan Larson (born 12 September 1970 in Maryland) is an American film composer, musician, and author. Larson's debut novel The Dewey Decimal System was released by Akashic Books in April 2011. As a musician, Larson is best known for his work with film music. He is formerly the lead guitarist for the 1990s band Shudder to Think and the original bassist for the hardcore punk band Swiz. Larson was also the creative force behind the group Mind Science of the Mind and founder of the band Hot One. He is married to Nina Persson, who is a member of Swedish group The Cardigans. Currently the couple are based in New York City, and have a band called A Camp.