The large back room at the Frye Art Museum has been mostly sealed off, and it's dark in there. Two facing walls of videos and mirrors stand in the center; on them, sexy young men and women perform a parodic restaging of a 16th-century German mariner's account of Brazilian cannibals, this time set on a favela rooftop to catchy beats. The installation, by Mauricio Dias and Walter Riedweg, is the beating heart of this season at the Frye; the artists will give a talk about traveling the world and making art out of social distortion. (Frye Art Museum, 704 Terry Ave, 622-9250. 7 pm, free.)