"Mamma Mia!" is a popular musical that features the songs of the Swedish pop group ABBA. Set on a picturesque Greek island, the story revolves around a young woman named Sophie who is about to get married. She wants her father to walk her down the aisle but doesn't know who he is. To find out, she invites three men from her mother's past, hoping to discover which one is her dad. The musical combines humor, romance, and catchy tunes, making it a favorite for audiences worldwide. It was first performed in 1999 and has since been adapted into a successful film in 2008, starring Meryl Streep and Pierce Brosnan. The vibrant setting and memorable songs contribute to its enduring popularity.