The export medium was Propellerhead's own REX format. Their first release was ReCycle, a sample loop editor that could change the tempo of a loop without affecting the pitch. Propellerhead Software was founded in 1994 by Ernst Nathorst-Böös, Marcus Zetterquist and Peter Jubel, who still hold prominent positions within the company. 3.2 Rack extensions that are now included in Reason.
