Mount Mercy University will host the second annual Chamber Choir Festival on Thursday, February 21. Choirs from Cedar Rapids Jefferson, Vinton-Shellsburg and Linn Mar high schools will join the Mount Mercy University Choir for an afternoon of rehearsals, clinics and an "Informance" in the Chapel of Mercy on February 21, at 5:00 p.m. The concert is free and open to the public; seating may be limited.