Berlin rapper Liquit Walker had been competing in battles for several years when he joined Hammer & Zirkel for the 2010 EP Two and a Half Men. Another EP, Vergessen in der Gleichung, followed in 2011. In March 2013, he released the solo album Unter Wölfen, which debuted at number 19 on the German album chart. The set featured contributions from Kool Savas, Sido, MoTrip, and Vega. ~ Andy Kellman