Violinist Zhen-Yang Yu and pianist Hsin-Hui Liu were declared winners of the 2012-13 Ars Flores Young Artist Concerto Competition on Feb. 9. Both are undergraduate performance majors in the Conservatory of Music. Yu is a student of Elmar Oliveira and Liu a student of Roberta Rust.  As winners, they will appear as soloists with the Ars Flores Symphony Orchestra at the Miniaci Performing Arts Center on the campus of Nova Southeastern University on April 20, performing concerti of Sibelius and Ravel.