Dennis Coffey is an American guitarist known for his contributions to the Detroit soul and R&B scenes in the 1960s and 1970s. His distinctive style blends funk, rock, and jazz, and became a signature sound of the Motown Records house band, The Funk Brothers. Coffey's work, notably his instrumental hit "Scorpio," had a significant impact on the development of funk music. His innovative use of the wah-wah pedal and other effects, as well as his introduction of psychedelic guitar sounds into soul music, have been influential in the music industry.