Who was born in the place where the venue that commissioned The Symphony No. 5 "Requiem, Bardo, Nirmanakaya" is located?
Symphony No. 5 (Glass):  It was commissioned by the Salzburg Festival, Austria and premiered August 28, 1999 and was conducted by Dennis Russell Davies. Salzburg Festival:  It is held each summer (for five weeks starting in late July) within the Austrian town of Salzburg, the birthplace of Wolfgang Amadeus Mozart.
Wolfgang Amadeus Mozart