third stream
nounEtymology Coined by composer Gunther Schuller in 1957.
1
Entertainment, Lifestyle, Music A form of jazz created in the 1950s, performed in ensembles in a style influenced by Western classical music, such as by using musical notation and eschewing improvisation.
- The movement they brought into existence, "Third Stream", was for the most part an effort by jazz composers and musicians to adopt some of the conventions […]2001, Ellen Koskoff, editor, The Garland Encyclopedia of World Music: North America, Garland Publishing, page 335: