David Haas, renowned liturgical musician and composer of many well-loved hymns, will be offering a master class open to students and special guests on Saturday, September 9, from 10-12:30 p.m., in the Chapel of Christ the Teacher, with a picnic lunch to follow. Free for students, $15 for special guests (includes lunch). Please RSVP by Tuesday, September 5. Haas will also be offering a free concert on Friday evening at 7 p.m. in the Chapel. Co-sponsored by the Garaventa Center and Campus Ministry. For more info or to RSVP: garaventa@up.edu or x7702.