 Formed as an instrumental rock quartet, many of their recordings and live performances featured an array of international guest vocalists.Their last full-length album was "Spring" (1997) followed by a remix album called "Springer" (1998).At the same time the band went on hiatus, Remo Park and Christoph Dreher have continued to work as separate acts, and Jochen Arbeit with Rudi Moser joined the Berlin-based underground legend Einstürzende Neubauten.