Honor the passing of another year at St. Mark's Episcopal Church. The church at Fifth Street and Oakdale Avenue, Medford, hosts an annual New Year's Eve concert, gala reception and service of night prayer at 7 p.m. today. Performers include Kirsten Boldt on bassoon; John Neurohr on trombone; Barbara Evans O'Donnell, alto singer; Marian Horton, a soprano; Debra Harris on flute; Lori Calhoun on clarinet; the Southern Oregon University Brass Quintet; Christian Mathisen, a tenor; Martin Prelle-Tworek, a baritone; Laurie Anne Hunter on harp and piano; and Dawn Wille and Margaret R. Evans on organ. The concert is free and doors will open at 6:30 p.m. The service of night prayer from the New Zealand Prayer Book will take place at about 9 p.m. Call 858-8037.