Friends of Chamber Music presents the Grammy-nominated vocal group Trio Mediæval at 7:30 p.m. April 22 at St. Philip Neri Catholic Church, 2408 S.E. 16th Ave., Portland. The program, “Old Hall Ladymass,” features music from the 14th century to new music by David Lang. Tickets range from $32 to $57, available at focm.org.