Theater for the Earth will present “A Prayer for the Great Mother,” an original, mythic poem with gongs and masks, Thursday and Friday, June 27 and 28, at Pascal Hall, 86 Pascal Avenue, Rockport, at 7 p.m. Tickets are $20, $10 for students, and are available at Zoot Coffee, Camden; Grasshopper Shop, Rockland; and online at theaterfortheearth.org.