Soulshock & Karlin is a duo of Danish record producers and songwriters, Carsten Schack and Kenneth Karlin. They have produced a large number of successful songs, including Monica's "Before You Walk out of My Life", Whitney Houston's "Heartbreak Hotel", JoJo's "Leave (Get Out)", and Toni Braxton's "I Love Me Some Him". In a reference to a famous commercial, Arena Magazine called the team, "Probably the best R&B producers in the world" (March 2001).