Maestro Giunta joins host Jacqueline Halbloom by phone during the 2 o'clock hour to talk about this weekend's Des Moines Symphony program, Barber & Tchaikovsky. The DMSO will be joined by guest violinist Jennifer Frautschi for their performance of Barber's Violin Concerto. Performances will be held at 7:30 p.m. on Saturday, March 10 and 2:30 p.m. on Sunday, March 11, 2012 at the Des Moines Civic Center.