The Ludwig Symphony Orchestra presents “A Cherry Blossom Spring Fling” gala concert to close its 15th season at 7:30 p.m. Saturday, April 27, at the Gwinnett Center-Performing Arts Center, 6400 Sugarloaf Parkway, Duluth. The performance will feature internationally acclaimed Norwegian pianist John Chen interpreting Schumann’s Piano Concerto in A minor; Zachary Mansell, first-prize winner of the Cleveland International Cello Society Competition, performing Tschaikovsky’s popular “Rococo” variations for cello and orchestra; and local Atlanta soprano Perri Montane performing arias by Mozart and Wagner. Chen, born in Oslo, Norway, of Chinese parents, made his orchestral solo debut at age 12 with the Valdres Festival Summer Symphony.