Time Period: 1959 to present

Style characteristics and performance practices:

1. Complex harmony, melody, and rhythm
2. Forms became increasingly complex, asymmetrical, and unpredictable
3. Expanded use of different time signatures
4. Expanded scale vocabulary
5. Required great technical skill and facility
6. A small group music
7. Tune sources included the following:
   1. blues
   2. I Got Rhythm tunes
   3. original tunes (contrafacts and others)
   4. modal tunes
   5. jazz tunes

Important players in this style include Miles Davis, John Coltrane, Sonny Rollins, George Russell, Cannonball Adderley, and numerous others.