The Mercyhurst Civic Orchestra, directed by Jonathan Moser, and Mercyhurst Concert Choir, directed by Thomas Brooks, join forces for a holiday concert titled “A Mercyhurst Christmas” on Sunday, Dec. 10, at 4 p.m. in the university’s Mary D’Angelo Performing Arts Center. Soloist James Bobick joins the orchestra for Prokofiev’s Lieutenant Kije Suite for Orchestra and Baritone. The program also includes Vivaldi’s Gloria in D Major RV 589 for Chorus, Soloists and Orchestra, and concludes with a Christmas carol singalong. Tickets are $5 for general admission, or $2 for Mercyhurst faculty and students and youths 12 and under. For more information, call 814-824-2394.