After building his career as a violinist, Nikolaj Znaider returns to Heinz Hall as guest conductor to lead the work he played as soloist there in 2005 -- Bruch's Scottish Fantasy. PSO concertmaster Noah Bendix-Balgley will solo this time, as Znaider conducts a program that includes Mendelssohn's Hebrides Overture and Schumann's Symphony No. 4.