A 1990 PBS documentary around the topic of A cappella music. Artists that performed as part of the documentary include The Mint Juleps, Ladysmith Black Mambazo, Rockapella and The Persuasions. It also stars Spike Lee, Debbie Allen and a cameo appearance by Samuel L. Jackson.
| Actor | Role |
|---|---|
 Debbie AllenSelf | Self |
 David DinkinsSelf | Self |
 Roberta FlackSelf | Self |
| JJay HoggardSelf | Self |
 Samuel L. JacksonThe Janitor | The Janitor |
 Spike LeeSelf | Self |
 Branford MarsalisSelf | Self |
 Hugh MasekelaSelf | Self |
| RRockapellaThemselves | Themselves |