Gruppo di Improvvisazione Nuova Consonanza has been played on NTS shows including Music To Ease Your Disease, with Kumalo first played on 12 October 2014.

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.