Complex sentence: She also embarked on the Christmas with Friends Tour (2015); the seven-city production started in Boston on December 13,2015, with American musician Jonathan McReynolds serving as the opening act for five of its dates.
Split into simpler sentences: She also embarked on the Christmas with Friends Tour (2015). The seven-city production started in Boston on December 13,2015, with American musician Jonathan McReynolds serving as the opening act for five of its dates.