A-Teens were a Swedish pop music group from Stockholm, Sweden, formed by Niklas Berg in 1998 originally as an ABBA tribute band called ABBA-Teens and was later renamed A-Teens. The band members were Marie Serneholt, Amit Paul, Dhani Lennevald and Sara Lumholdt. The band's debut album became a success around the world.

The third single from the 1999 debut album 'Super Trouper' by Swedish pop quartet comprised of four 15-year-olds, two boys & two girls, that do covers of ABBA tunes for the '90s. Contains three mixes of 'Gimme Gimme Gimme' (Radio Version, Extended Version

Floorfiller was A*Teens' second single from their third album "Pop 'Til You Drop!".
The funky-dance track was released on radio in July 2002 in North America and in August 2002 in South America. It reached number-six in Mexico, number-one in Argentina, number-fifteen in Chile and number-one on Radio Disney in the United States.
The track was written by Grizzly, Tysper and Mack, who also worked with the band on "Upside Down" and "Halfway Around The World". The single was released in Europe in October 2002 and it reached number-four in Sweden earning a Gold Certification, thirty-three in Germany and number forty-six in Austria.

Upside Down was A*Teens' first single from their second album Teen Spirit. After the intense promotion in the United States in 2000 the band went back to studio to start working on their second album. It was the first time they released an original song and not a cover, It was produced by the hit makers Grizzly and Tysper.