On April 20, members of the Kairos String Quartet, along with CWU faculty member Jon Hamar and University of Alaska President's Professor and Yamaha Artist, pianist/conductor Eduard Zilberkant, will present an evening of chamber music featuring Beethoven's Piano Trio Op. 70 No. 1, "The Ghost" and Schubert's beloved "Trout" Quintet for the eclectic combination of piano, violin, viola, cello, and bass. The 7 p.m. concert is free and will be held in the McIntyre Music Building Concert Hall.