For the stage adaptation, bookwriters Cheri Steinkellner and Bill Steinkellner (with an assist from Douglas Carter Beane) have moved the action back to the 1970s, allowing the original songs by Alan Menken (music) and Glenn Slater (lyrics) to pastiche '70s disco and R&B.
SOURCE: TalkinBroadway at 01:41PM on November 18, 2012