Jacob Dilßner (born 17 July 1987), better known by his stage name Wankelmut, is a German electronic music DJ and record producer based in Berlin. He rose to fame internationally through the remix hit "One Day / Reckoning Song (Wankelmut Remix)" by Israeli band Asaf Avidan & The Mojos. In autumn 2011 Dilßner was a young 24-year old student and part-time dj who had just relocated to his hometown Berlin to study philosophy and political science. Then one night he started playing around with one of his favourite songs in Ableton Live