Pianist Dmitry Masleev, who took first prize in the 2015 Tchaikovsky International Competition, leads the Svetlanov Symphony Orchestra (a.k.a. Russian State Symphony Orchestra) from the piano in a program that centers two piano concertantes utilizing the chant melody Dies irae: Liszt’s Totentanz, and Rachmaninoff’s Rhapsody on a Theme of Paganini. The program also includes Liszt’s Rhapsodie espagnole in a version …