Since then he has received dozens of commissions .
Since then he has had his music performed at leading classical music festivals including Bang on a Can Marathon Concerts , Tanglewood , the Carlsbad Music Festival , and the MATA Festival .
Since then he has received dozens of commissions , and has had his music performed at leading classical music festivals including Bang on a Can Marathon Concerts , Tanglewood , the Carlsbad Music Festival , and the MATA Festival .