Simplify the following text for a Grade 10 native English-speaking person.
Original: AndrÃ George Previn KBE ( born Andreas Ludwig Priwin ; April 6 , 1929 ) is a German-born naturalised American pianist , conductor , and composer .
Simplified: AndrÃ Previn ( born 6 April , 1929 , Berlin , Germany ) is an American conductor , pianist and composer of German birth .