Coffey learned to play guitar at the age of thirteen, in the Michigan Upper Peninsula town of Copper City. In 1955, as a fifteen-year-old sophomore at Detroit's Mackenzie High School, Dennis played his first recordsession - backing Vic Gallon in "I'm Gone", on the Gondola record label.[1] In the early 1960s he joined The Royaltones who had had hits with "Poor Boy" in 1958 and "Flamingo Express" in 1961. The Royaltones played sessions with other artists including Del Shannon.
The follow-up in 1972 was "Taurus", both credited to Coffey and the Detroit Guitar Band. It reached #55 in Canada.
[5] Since then, he has recorded several soloalbums, most of them for the Sussex and Westbound labels. While at Sussex Records Coffey arranged and produced along with Mike Theodore the million selling "Nice To Be With You" by the groupGallery. In addition, Coffey scored the blaxploitationfilm, Black Belt Jones (1974).
In 2004, he published a memoir, Guitars, Bars and Motown Superstars.
In 2008, he co-produced the Carl Dixon sessions at Studio A, Dearborn Heights, Michigan. Four tracks were recorded featuring some of the Funk Brothers including Uriel Jones, Bob Babbitt, Coffey and Ray Monette, plus other distinguished Detroit session musicians. Spyder Turner, Pree and Gayle Butts were vocalists on the session. The session was arranged by David J. Van De Pitte.
On April 26, 2011 (April 25 outside the US) Coffey released his self-titled album,[6] consisting of new songs and new versions of songs which originally featured Coffey's distinctive guitar work. Promotion for the album included an international tour, kicking off with several appearances at SXSW. Singer-songwriter Kendra Morris accompanied him on tour, performing backing vocals.[7][8]
Dennis was a constant performer in his hometown Detroit. He performed at the Detroit Jazz Concert, the Concert of Colors
promoted by Don Was and recorded on the Blue Note label. His performances at the Legendary Morey Baker's Keyboard Lounge and other venues included notables; Steve Adams, Drew Schultz, Danny Tyrell and others.
In 2012, Coffey was interviewed on the PBS program History Detectives, about the authenticity of an old Ampeg B-15 amplifier with the stenciled name of fellow Funk Brothers member bassist James Jamerson.[9]
Along with Mike Theodore, Coffey discovered the folk-rock singer-songwriter Sixto Rodriguez, who is the subject of the 2012 Oscar-winning film Searching for Sugar Man in which Coffey appears. Coffey played lead guitar on Rodriguez's first album Cold Fact (1970).
Dennis Coffey was inducted into the Michigan Rock and Roll Legends Hall of Fame as a member of the Funk Brothers in 2010 and as a solo artist in 2018.[10]