Jazz-funk is a subgenre of jazz music characterized by a strong back beat (groove), electrified sounds,[1] and an early prevalence of analog synthesizers. The integration of funk, soul, and R&B music and styles into jazz resulted in the creation of a genre whose spectrum is quite wide and ranges from strong jazz improvisation to soul, funk or disco with jazz arrangements, jazz riffs, jazz solos, and sometimes soul vocals.[2]
Jazz-funk is primarily an American genre, where it was popular throughout the 1970s and the early 1980s, but it also achieved noted appeal on the club-circuit in England during the mid-1970s. Similar genres include soul jazz and jazz fusion, but neither entirely overlap with jazz-funk.