Friends of Chamber Music presents baritone Benjamin Appl and pianist James Baillieu in concert at 7:30 p.m. May 4 at Lincoln Hall, 1620 S.W. Park Ave., Portland. German baritone Appl is celebrated by audiences and critics alike. The program includes songs by Schubert, Schumann, Brahms, Bolcom, Wolf, Strauss and Vaughan-Williams. Tickets range from $32 to $57, available at focm.org.