As a producer and/or composer Christensen worked for big artists as Right Said Fred, Tom Jones, *NSYNC, Rollergirl, Marianne Rosenberg, Sarah Brightman, and ATC.
Работал с такими группами и исполнителями как Right Said Fred, N`Sync, Oli.P, Том Джонс, Сара Брайтман, Rollergirl, ATC, Marianne Rosenberg.