Complex sentence: Her schedule, during her studies in Milan, included vocal lessons, acting lessons, learning new parts, learning new languages-for six hours every day And her "leisure time" included visits to museums and historic sites, attendance at operatic and theatrical performances.
Split into simpler sentences: Her schedule, during her studies in Milan, included vocal lessons, acting lessons, learning new parts, learning new languages--for six hours every day. Her "leisure time" included visits to museums and historic sites, attendance at operatic and theatrical performances.