Hong-Mei Xiao performs Martinů’s two-movement Rhapsody-Concerto for Viola and Orchestra with lyrical melodies derived from Bohemian and Moravian folk songs. Program also includes Khachaturian’s “Masquerade Suite,” the premiere of Michael Kiefer’s Psalm 22 and young violinist Bobae Johnson, winner of the youth concerto competition. More at www.sasoinfo.org.