Italian improvisation group formed in 1964. The group featured Mario Bertoncini (perc, piano), Walter Branchi (double-bass), Franco Evangelisti (piano), Hohn Heineman (trombone, cello), Roland Kayn (Hammond organ, vibraphone, marimba), Egisto Macchi (perc, celesta) and (most famously) Ennio Morricone (trumpet). Frederic Rzewski (piano) also appears.

Gruppo di Improvvisazione Nuova Consonanza on Last.fm.