Complex sentence: He began his study of the oboe at age 16 with John Minsker, former English hornist of the Philadelphia Orchestra, and later studied with world-renowned oboist Marcel Tabuteau at the Curtis Institute of Music in Philadelphia.
Split into simpler sentences: He began his study of the instrument when he was 16 years old with John Minsker, the former English hornist of the Philadelphia Orchestra. He subsequently studied with the world-renowned oboist Marcel Tabuteau at the Curtis Institute of Music in Philadelphia.