 Klaus produced and co-wrote the winners single "Somewhere in the world" for X Factor winner Altiyan Childs, which was released on SyCo / Sony Music on November 23, 2010 and instantly debuted at Number 1 on iTunes.In February 2011 Klaus produced and co-wrote the debut single "Heal" by 15-year-old German teen sensation Andrea Renzullo, finalist on another SyCo Television show, Germany's Got Talent ("Das Supertalent").According to media reports, Sony Music released the single in March 2011.