Complex sentence: Her debut album, Flutterby, was released in 2003, and in 2004 and 2005, Boucher toured the United States and Europe, opening for Barenaked Ladies, and later for Sarah McLachlan on her "Afterglow" arena tour.
Split into simpler sentences: Her debut album, Flutterby, was released in 2003,2004 and 2005. Then Boucher toured the United States and Europe, opening for Barenaked Ladies, and later for Sarah McLachlan on her "Afterglow" arena tour.