Simplify the following text for a Grade 8 native English-speaking person.
Original: Bruno Walter ( pronounce : `` Valter '' ) , ( born Berlin , 15 September 1876 ; died Beverley Hills , California , 17 February 1962 ) was a German-born conductor , pianist and composer .
Simplified: Bruno Walter ( September 15 , 1876-February 17 , 1962 ) was a German-born conductor .