_:b138277513 "Vocal Group from Austria. Active from 1953 to 1957.After Peter Alexander switched to Polydor he got replaced by Bob Martin and finally by Rudi Kreuzberger." . _:b138277513 "Die Optimisten" . _:b138277513 . _:b138277513 "328eb921-0421-4242-8ddf-66905e95bb61" . _:b138277513 "754935" .