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. Using a term coined by Steve Coleman, they called these ideas "M-Base-concept" (short for "macro-basic array of structured extemporization") and critics have used this term to categorize this scene’s music as a jazz style. But Coleman stressed "M-Base" doesn’t denote a musical style but a way of thinking about creating music. As famous musicians did in the past, he also refuses the word "jazz" as a label for his music and the music tradition represented by musicians like John Coltrane, Charlie Parker,