Later, Hughes collaborated with filmmakers Judd Apatow and Jake Kasdan, contributing to the song "Let's Duet" from the comedy Walk Hard: The DeweyCox Story.
Walk Hard: The DeweyCox Story, a broad satire of musician biopics like Walk the Line, proves that (a) the conventions of biopics really are lame, and (b) you can get a lot of laughs out of basically one joke if your lead is John C.