Two University of Mobile (UM) quartets, RamTonz and RamBunctious, have won regional competitions and will represent the university in international contests this summer and fall. RamTonz, a traditional barbershop quartet, was named the 2009 Dixie Collegiate Quartet Champions. They will compete in the Barbershop Harmony Society’s international competition in Anaheim, Calif., June 28–July 5. Another UM quartet, Ramtastic 4, received…