Most fans of the musical Mamma Mia will never have a chance to sing its infectious ABBA songs on Broadway, but you can experience the next best thing at your local cineplex. The sing-a-long version of the new Mamma Mia film is now playing at selected movie theaters, where you can sing like a Broadway star from the comfort of your seat! Check your local movie theater listings for the Mamma Mia sing-a-long near you.