The Roche Guest Artist Series opens its 2017-18 season with a recital by violinist Rachel Stegeman and pianist David Wehr, both faculty members in the Mary Pappert School of Music at Duquesne University. Their performance on Monday, Oct. 16, at 8 p.m. will include Tartini’s Devil's Trill Sonata, Grieg’s Sonata in C minor (no. 3), Ravel’s Tzigane and Prokofiev’s Sonata in D major for Piano and Violin. The artists will also hold a masterclass for Mercyhurst music students on Tuesday, Oct. 17, at 12:45 p.m. Both events are in Walker Recital Hall and are free and open to the public through the generosity of the Terry and Margaret M. Roche Family. For more information, call 814-824-2394.