He is also an important voice in the collective improvisations that provide some of the quartet's most distinctive moments.

And it confirmed the expressive power of collective improvisation, not that the audience needed convincing.

Together, the band reached euphoric collective improvisations that had the audience cheering.

Mr. Sanchez is a master at drawing his band into collective improvisation.

But they were small-band Dixieland groups, emphasizing collective improvisation and playing.

The album began as "collective improvisations recorded live in the studio" which "were then later reconstructed."

This project was intended both as a music group and a new approach to collective improvisation; Duguay published its manifesto in 1970.

Bisio focused on collective improvisation, and pays particular attention to how each band member interacts with the group as a whole.

They put out their music on independent record labels, exploring funk, polyrhythms and new methods of collective improvisation.

And for the most part the music worked, moving easily from dense jumbles of collective improvisations to eerie, quiet sections.