 Kraan's early Krautrock style later developed towards fusion, combining rock, jazz and ethnic elements.Apart from his own projects, Hattler has toured and recorded with many international musicians of various genres including Tina Turner, Billy Cobham, Joachim Kühn, Torsten de Winkel, Alphonse Mouzon, and Nippy Noya.When asked about the meaning of the band name he explained "It sounds good because it starts hard and aggressive and finishes softly."