Question: Søren Rasted and Claus Norreen teamed up with René Dif and Lene later in 1994 who to form the Bubblegum/eurodance music group, Joyspeed which was renamed to what?
Sentence (from "Frække Frida og de frygtløse spioner"): Christensen based the story on a series of children's books by Lykke Nielsen.
Relevant evidence: Yes