Wikipedia
Smile.dk (sometimes written SMiLE.dk or Smile-dk, pronounced Smile D-K) is a Swedish bubblegum dance group with Veronica Almqvist as the only current member. The band is known for many songs featured in music video games such as Dance Dance Revolution and In the Groove. These include " Butterfly", "Golden Sky", "Boys", " Mr. Wonderful", "Petit Love", "Koko Soko", "A Geisha's Dream" (with Naoki Maeda), and "Dancing All Alone". They have regularly appeared on the albums of the popular dance compilation Dancemania series since its tenth issue, including many of its sub-series such as Dancemania Speed. Smile.dk has been one of the most featured bubblegum/Eurodance acts in the Dancemania series, along with the likes of Captain Jack and E-Rotic.