Complex sentence: Hector then leaves to see if any of his family survived, while the girls, in true Valley girl fashion, take advantage of the unexpected turn of events to go shopping to the tune of "Girls Just Want To Have Fun".
Split into simpler sentences: Hector then leaves to see if any of his family survived. The girls, in true Valley girl fashion, take advantage of the unexpected turn of events to go shopping, to the tune of "Girls Just Want To Have Fun".