Free funk is a term that Allmusic and writer Scott Yanow

Scott Yanow

Scott Yanow is an American jazz commentator, known for many contributions to the Allmusic website, for writing ten books on jazz and for reviewing jazz recordings for over 30 years.-Biography:...

 use to describe a combination of avant-garde jazz

Avant-garde jazz

Avant-garde jazz is a style of music and improvisation that combines avant-garde art music and composition with jazz. Avant-jazz often sounds very similar to free jazz, but differs in that, despite its distinct departure from traditional harmony, it has a predetermined structure over which ...

 with funk music that developed in the 1970s. Leaders of the genre include Ornette Coleman

Ornette Coleman

Ornette Coleman is an American saxophonist, violinist, trumpeter and composer. He was one of the major innovators of the free jazz movement of the 1960s....

 and his Prime Time group, Ronald Shannon Jackson

Ronald Shannon Jackson

Ronald Shannon Jackson is an American jazz drummer. He was born in Fort Worth, Texas.Jackson is notable for his unusual approach to his instrument, which draws as much inspiration from military and parade bands as from traditional jazz drumming.He is the only person to have recorded and performed...

 and his group Decoding Society, Jamaaladeen Tacuma

Jamaaladeen Tacuma

-External links:*...

 and his group Spectacle and James "Blood" Ulmer. The music has been quite influential on the M-Base

M-Base

The term "M-Base" is used in several ways. In the 1980s, a loose collective of young African-American musicians including Steve Coleman, Graham Haynes, Cassandra Wilson, Geri Allen, Robin Eubanks, and Greg Osby emerged in Brooklyn with a new sound and specific ideas about creative expression...

genre, as well.