Released in 1993 on the album Aquarium, "Happy Boys & Girls" is a quintessential Eurodance track by Aqua. The song features the group's signature upbeat synth-pop production and catchy vocal harmonies, establishing their reputation as pioneers of the genre in the early 1990s. It serves as a high-energy companion to their earlier hit "Barbie Girl," showcasing the band's ability to craft infectious, dance-oriented anthems that defined the era's sound. The recording remains a staple of their discography, reflecting the optimistic and rhythmic style that characterized their work during the height of their popularity.