Original: André George Previn ( born April 6 , 1929 , Berlin , Germany ) , Previn himself is unsure in which year he was born , as his birth certificate was lost upon emigration to the United States born Andreas Ludwig Priwin , is a German-born American Academy and Grammy Award-winning pianist , conductor , and composer .
Simplified: André Previn ( born 6 April , 1929 , Berlin , Germany ) is an American conductor , pianist and composer of German birth .