progressive jazz

noun
  1. an experimental, nonmelodic, and often free-flowing style of modern jazz, especially in the form of highly dissonant, rhythmically complex orchestral arrangements.Compare bop1, cool jazz, hard bop, modern jazz.

Origin of progressive jazz

First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018