A free concert starring Mary Pfiefer performing a tribute to the late, great musician Patsy Cline takes place at 2 p.m. this Sunday, Oct. 21, at St. Paul United Church of Christ in Waterloo.

A free-will offering will be accepted.

Pfiefer will sing such popular Patsy Cline hits as “Crazy” and “Walking After Midnight.” She’ll also share entertaining stories about Patsy.