Organist Nathan J. Laube performs the dedicatory concert of the Holtkamp organ, Op. 2112, at the Lutheran Church of the Risen Savior in Green Valley. The program includes works by J. S. Bach, Buxtehude, Rachmaninoff, Dupré, Mendelssohn, and Hollin. Reception follows; freewill offering. The concert is sponsored in part by the Southern Arizona Chapter of the American Guild of Organists.