Self (archive footage)

Frank Zappa

Self (archive footage)

Matt Groening

Self

Roberto Gatti

Self

Terry Bozzio

Self

Claudio Trotta

Self

Don Preston

Self

Bunk Gardner

Self

Jimmy Carl Black

Self (archive footage)

Ruth Underwood

Self

Phillip Glasser

Self

Riccardo Bertoncelli

Self

Warren Cuccurullo

Self

Dweezil Zappa

Self

Ahmet Zappa

Self

Fabio Treves

Self

Massimo Bassoli

Director

Giancarlo Trombetti

Director

Manuela Guidi