Complex sentence: At 15 and 16 he studied organ, counterpoint, and harmony in France with the legendary teacher Nadia Boulanger, which he followed with a degree in music from Harvard University in 1970.
Split into simpler sentences: At 15 and 16 he studied organ, counterpoint and harmony in France with the teacher Nadia Boulanger. He followed this with a degree in music from Harvard University in 1970.