A lot of actors end up doing passion projects, because they tend to be passionate people, as a rule. Not many can match Denis Leary for passion, though.
Johnny Cash: Black in Black
Russell, Leon Russell
WELL … Almighty Then
John Schlesinger
Pop Shots Michael K. Williams
Orianthi
Let There Be Crunk
A Jimmy Hendrix Experience
Kasabian
Heidi Shepherd of Butcher Babies
Gore Vidal
Dave Cross, Yet Happy