Ace of Base is a Swedish pop group formed in 1990, known for their catchy melodies and reggae-influenced sound. The band originally consisted of siblings Ulf Ekberg, Jonas Berggren, and Jenny Berggren, along with Linn Berggren. They gained international fame in the early 1990s with hits like "All That She Wants" and "The Sign," which showcased their unique blend of pop and dance music. Their debut album, Happy Nation, released in 1992, was a commercial success and helped establish them as a prominent act in the music industry. Over the years, Ace of Base released several albums and continued to influence the pop genre, leaving a lasting legacy in the world of music.