ABBA is a Swedish pop group formed in Stockholm in 1972, consisting of members Agnetha Fältskog, Björn Ulvaeus, Benny Andersson, and Anni-Frid Lyngstad. Their music is characterized by catchy melodies, rich harmonies, and a blend of pop and disco elements. ABBA gained international fame with hits like "Dancing Queen," "Mamma Mia," "Take a Chance on Me," and "Waterloo," which won the Eurovision Song Contest in 1974, propelling them to stardom. The group released eight studio albums between 1973 and 1981, with "Arrival" (1976) and "The Album" (1977) being particularly notable. ABBA's impact on music is profound; they are credited with popularizing the pop genre and influencing countless artists and bands across various genres. Their music saw a resurgence in popularity in the 1990s due to the success of the "Mamma Mia!" musical and its film adaptation, introducing their work to new generations. ABBA's legacy endures, as they continue to be celebrated for their songwriting, innovative production, and cultural influence, solidifying their status as one of the best-selling music acts in history. In 2021, they released their first new album in nearly 40 years, "Voyage."