Chautauqua Symphony Orchestra, Theater Company Unite Through ‘Sorrowful Songs’ by Georgeanne Oliver & Julia Mericle on July 27, 2016 share Andrew Borba and Rossen Milanov are bringing sorrow to a new level at Chautauqua Institution. The Chautauqua Symphony Orchestra will weave theater and voice into its concert at 8:15 p.m. Thursday in the Amphitheater. Borba,