Complex sentence: While attending BHHS she was in the school's productions of "The Music Man", "The Mikado", "The Grass Harp", and "The Madwoman of Chaillot".
Split into simpler sentences: While attending BHHS she was in the school's musical productions of "The Music Man" and "The Mikado". Joanna was also in the plays "The Grass Harp" and "The Madwoman of Chaillot".