A rare look at the inventiveness of the human spirit through reimagining the history of Bluegrass Music from Bill Monroe to today's musicians.
| Actor | Role |
|---|---|
 Alison BrownSelf | Self |
 Sam BushSelf | Self |
 Jerry DouglasSelf | Self |
 Béla FleckSelf | Self |
 David HoltSelf | Self |
 Sierra HullSelf | Self |
| BBen KaufmannSelf | Self |
 Del McCourySelf | Self |
 Marcus MumfordSelf | Self |
 Tim O'BrienSelf | Self |
 Bobby OsborneSelf | Self |
| CChris PandolfiSelf | Self |
 Ralph StanleySelf (archive footage) | Self (archive footage) |
| AAbigail WashburnSelf | Self |
 Sara WatkinsSelf | Self |
 Sean WatkinsSelf | Self |
| DDoc WatsonSelf (archive footage) | Self (archive footage) |
 Bill MonroeSelf | Self |