Director/a
Margaret Williams
DIRECTOR/A
Reparto (por orden de créditos)
Judith Weir
Self - Commentary (voice)
The Hilliard Ensemble
Themselves
Special Feature
Themselves - Barbershop Quartet
Johnnie Moore
Self
The Drifters
Emmit Powell & The Gospel Elites
Courtney Hall
The Esterhazy Quartet
Steve Martland
The Britten Quartet
Peter Manning
Keith Pascoe
Andrew Shulman
John Lewis
Modern Jazz Quartet
Themselves (archiveFootage)
Adam Clayton
U2
The Rova Saxophone Quartet
Larry Ochs
Steve Adams
Terry Riley
John Raskin
Kronos Quartet
John Sherba
David Harrington
Franghiz Ali-Zadeh
Hank Dutt
