(From left) Malvern Prep junior Nick Gatti of St. Davids and sophomore Christian Franck of Kennett Square were selected to perform with the Papal Choir for Mass on September 27. MALVERN, Pa. – Yes, Malvern junior Nick Gatti admits, the thought of singing in front of a crowd of more than one million people is nerve-racking, but his enthusiasm for singing with the Archdiocesan High School Papal...