On Saturday, April 26 at 5 p.m., the Concert Choir will include as featured guests The Hyde Park Neighborhood Chorus of the famed Chicago Children's Choir, directed by Mollie Stone '01. The Concert Choir will then perform works by Monteverdi, Brahms, Mendelssohn, Bruckner, Chydenius, Mäntyjärvi and others. The concert will end with the traditional "Senior Song." Buckley Recital Hall. Arms Music Center. Free admission.