Complex sentence: From 1964-1965, he attended Berklee School of Music (now Berklee College of Music), and in 2002 he was asked to return as a teacher; as of 2013 he is still on the faculty, teaching mainly ensembles and private lessons.
Split into simpler sentences: From 1964-1965, he attended Berklee School of Music (now Berklee College of Music). In 2002 he was asked to return as a teacher; as of 2013 he is still on the faculty, teaching mainly ensembles and private lessons.