WESTFIELD – Mostly Music returns for another exciting season of live chamber music on five Sunday afternoons at 3:30 p.m. at Temple Emanu-El in Westfield. Mostly Music’s 45th concert season will begin on Sunday, September 29 starring Sooyun Kim on flute, Bridget Kibbey on harp, and Tessa Lark on violin. In addition to Debussy’s Sonata for flute, viola and harp, and a Serenade for flute, violin and viola by Beethoven, the concert will include the East Coast premiere of Fantasia for Tomorrow for violin and viola by Michi Wiancko.