The Altoona Horseshoe Chorus will have their 73rd Annual Show, Saturday, May 2nd, 2pm at First Lutheran Church in downtown Altoona.  Special guests are the State College Nittany Knights Acapella Chorus, the Altoona Sweet Adelines, the Altoona Area High School Vocal Ensemble, and the Bishop Guilfoyle Vocal Ensemble. Tickets are $15 at the door