The Four Preps are returning to the Carson Valley Inn Valley Ballroom on March 29 and 30. The group features original lead singer Bruce Belland and Bob Duncan, former leader of the Diamonds. Mike Redman and Skip Taylor, formerly of the Crew Cuts, complete the quartet. The Four Preps last appeared at the Carson Valley Inn in late 2010. “Things have really exploded in the last two years thanks in great part to the constant re-broadcasting of the PBS Special ‘Magic Moments’ in which we are featured,” said Belland. “We’ve done over 200 shows in 20 states from California to …