Complex sentence: A pupil of Orlando Gibbons, Hingston was also a composer and viol player, in which capacity he had served Charles I and whose daughters he tutored in music, as a member of the court band.
Split into simpler sentences: A pupil of Orlando Gibbons, Hingston became a composer and viol player. Hingston first served Charles I as a viol player and as a member of the court band.