Guest Critic: CSO’s Rossen Milanov conducts ‘stylish and committed performance’ by Christopher H. Gibbs on July 21, 2017 share On paper, it first seemed a curious pairing: Ástor Piazzolla’s joyous The Four Seasons of Buenos Aires on the first half of the Chautauqua Symphony Orchestra program and, after intermission, Dmitri Shostakovich’s brooding fifth symphony.