The Hangover Part II did not have the full support of my entire cast and crew." Liam Neeson replaced Gibson after being invited by Cooper, who worked with Neeson on "The A-Team", to take the part. Neeson, a fan of the first film stated, "I just got a call to do a one-day shoot on 'Hangover 2' as a tattooist in Thailand, and that's all I know about it". Gibson was reportedly furious over the decision. A source close to Gibson stated, "He doesn't understand why Mike Tyson, a drug user who turned his life around, was given a chance while Mel was kicked
The Hangover Part II: Original Motion Picture Soundtrack featured in the film, it does not appear on the soundtrack. Among the songs included on the album is Ed Helms' version of the Billy Joel song "Allentown", rewritten in the spirit of his popular "Stu’s Song" from the soundtrack of 2009′s "The Hangover". Additional new music includes a song from Danzig, along with music from the Ska Rangers, Kanye West, Mark Lanegan, Deadmau5, Wolfmother and more. "The Hangover Part II: Original Motion Picture Soundtrack" received a positive review from "AllTimeSoundtrack.com": The Hangover Part II: Original Motion Picture Soundtrack The Hangover Part II: Original Motion Picture Soundtrack is a soundtrack