Join the cult. 10.14.17. OwlCappella's Annual Halloween Spooktacular at 7:30pm in Rock Hall. Complete with legendary costumes and killer guest groups, this year's concert is revving up to be the scariest yet! Join the group in the fun and wear your best costume. Get ready for a frightful night of clowning around! Guest groups include Temple University's own Pitch Please & Jukebox, University of Pennsylvania's Penny Loafers, the Haverford College 'Ford S-Chords, and Muhlenberg's The Girls Next Door! Get ready for a rowdy aca-cult. Free admission and recital credit.