Medieval Broadway: Shrek the Musical (2009)

Based on the Shrek film franchise (which is set in a medieval-like world populated by fairy tale characters), Shrek the Musical, with book and lyrics by David Lindsay-Abaire, opened on Broadway last December. The musical is essentially a restaging of the first film with additionaal backstory added, and Wikipedia includes a detailed synopsis and the text of some reviews. The official website includes photos from the show and videos of performances of some songs by the cast on various morning tv shows. The cast recording is now available (since 3/24), with samplings of all tracks on the Decca Broadway web site.

Reviews include:
Gurewitsch, Matthew. "Orchestrating an Ogre's Monster Makeover." The New York Times (11 Dec. 2008).
Rooney, David. "Shrek the Musical." Variety (14 Dec. 2008).
Brantley, Ben. "The Belching Green Ogre Has a Song in His Heart." The New York Times (15 Dec. 2008).