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 Fantasia's "Truth Is".[1][2] Soulshock & Karlin have written and produced hits for artists such as Brandy, Usher, Monica, Whitney Houston, Luther Vandross, Craig David & Sting, and the late 2Pac. Some of their best-known work is Whitney Houston's "Heartbreak Hotel," Toni Braxton's "I Love Me Some Him," Monica's "Before You Walk Out of My Life," JoJo's "Leave (Get Out)," Craig David and Sting's "Rise and Fall" and 2Pac's "Do For Love," "Heaven Got A Ghetto," and "Baby Don't Cry." Their remix credits include Usher's "U Got It Bad," and "Brokenhearted" by Brandy and Wanya Morris of Boyz II Men. In a reference to a famous commercial, Arena Magazine called the team, "Probably the best R&B producers in the world"