Clue: Prose garbage, rewritten for the stage? (7,5)
Answer: BEGGARS OPERA
Explanation: Definition: for the stage?

***(prose garbage)** [anag:*rewritten*] (*Could be considered an &lit. if you didn't like the play, I suppose*)
 
*Technically, the opera written by John Gay and Johann Pepusch was "THE Beggar's Opera".