Frank Zappa

Self (archive footage)

Matt Groening

Self (archive footage)

Ruth Underwood

Self (archive footage)

Phillip Glasser

Self

Riccardo Bertoncelli

Self

Warren Cuccurullo

Self

Dweezil Zappa

Self

Ahmet Zappa

Self

Fabio Treves

Self

Massimo Bassoli

Self

Roberto Gatti

Self

Terry Bozzio

Self

Claudio Trotta

Self

Don Preston

Self

Bunk Gardner

Self

Giancarlo Trombetti

Manuela Guidi