The Roche Visiting Artists Series at Mercyhurst University presents mezzo-soprano Emily Righter Nov. 16 and 17. She’ll perform Monday, Nov. 16, at 8 p.m. in Walker Recital Hall. The following afternoon she’ll conduct a masterclass for Mercyhurst music students at 2 p.m. in Walker. Both events are free and open to the public. Righter is gifted not only in opera, but in jazz, musical theater, art song and chamber music. In 2013 she made her New York City Opera debut singing Amenofi in Mosé in Egitto. She has also sung internationally in opera roles at the Salzburger Landestheater, the Salzburger Festspielhaus and the Tyrolean Festspielhaus in Austria, and at the Festival dei Due Mondi in Spoleto, Italy. For information, call 824-2394.