Scorpions are a German rock band from Hanover, formed in 1965. The band went through numerous changes in personnel in its early years. Founding by rhythm guitarist Rudolf Schenker and drummer Wolfgang Dziony; both at that point shared lead vocals. In addition to them, the band also included lead guitarist Karl-Heinz Vollmer and bassist Achim Kirchoff. By 1967, Schenker, realizing that he could not sing and play the guitar at the same time, invited the 15-year-old Werner Hoyer to take the place of the vocalist. In the spring of 1968 bass guitarist Achim Kirchoff was replaced by Lothar Heimberg.