What is mammamia?

"Mamma Mia!" is a musical and film that features the music of the Swedish pop group ABBA. It follows the story of a young bride-to-be, Sophie, trying to discover the identity of her biological father before her wedding day on a Greek island. The musical premiered in 1999 and has since become a global phenomenon, inspiring numerous productions across the world. The film adaptation was released in 2008, starring Meryl Streep, Amanda Seyfried, and Pierce Brosnan. It was a box office success and received mixed reviews from critics. The musical and film showcase ABBA's greatest hits, including "Dancing Queen," "Super Trouper," and "Take a Chance on Me."