The “Swingin’ into Spring” Benefit Concert for the San Miguel Program of Newburgh will be presented by Frank Shiner and Orchestra 914, May 14, from 7 to 8:30 p.m. at the Chappaqua Performing Arts Center in Chappaqua. Westchester thespian turned businessman, Shiner, is covering the cost of the entire concert so that 100% of the ticket price will go…