Complex sentence: He has worked with a wide array of established artists from virtually every corner of the entertainment world, while also promoting programs that focus on talented young musicians from the Tanglewood Music Center, Boston Conservatory, and Berklee College of Music.
Split into simpler sentences: He has worked with a wide array of established artists from the entertainment world. He promotes programs that focus on talented young musicians from the Tanglewood Music Center, Boston Conservatory, and Berklee College of Music.