from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Of, relating to, or being music that blends classical music with jazz.
Sorry, no etymologies found.
It may be the best exemplar of so-called "third-stream music" jointly inspired by jazz and classical.
NPR Topics: News 2011
The Meat Beat Manifesto is a dubby remix by Plug aka Luke Vibert dating from 1996; it opens with a third-stream horn salvo, segues into John Barry guitar, and takes flight from there.