Steve Martin/Emmylou Harris/Rodney Crowell/Amos Lee/Ralph Stanley/Mark O'Connor
- Episode aired May 1, 2015
- TV-PG
- 57m
Steve Martin. Also: a musical performance by Emmylou Harris; Rodney Crowell; Amos Lee; Ralph Stanley, Steve Martin; and Mark O'Connor.Steve Martin. Also: a musical performance by Emmylou Harris; Rodney Crowell; Amos Lee; Ralph Stanley, Steve Martin; and Mark O'Connor.Steve Martin. Also: a musical performance by Emmylou Harris; Rodney Crowell; Amos Lee; Ralph Stanley, Steve Martin; and Mark O'Connor.