Mark Alan Thallander is a freelance organist and composer best known for his long ministry at the former Crystal Cathedral in Garden Grove. He joined the staff there in 1976 and assisted Robert H. and Arvella Schuller with “Hour of Power” television scripting, service programming and musical guests. During his 18-year tenure at the church, Thallander played at many worship services, weddings, memorial services, seasonal concerts, and recording projects, as well as for “Glory of Christmas” and “Glory of Easter” pageants. He presented 1,000 noon organ recitals for guests touring the cathedral campus. Canadian-born pianist Peter Green received his Master of Music and Doctor of Musical Arts degrees with full scholarship from the University of Southern California under the direction of Stewart Gordon. He is chair of the Visual & Performing Arts Division at Glendale College and director of Music at San Marino Community Church. In 1989, he received first prize in the national piano competition of the Canadian Federation of Music Teachers Associations. His 2008 CD of music for piano, horn, and flute was nominated for a Grammy Award. Green and Thailander recorded a 2017 piano/organ CD together. For more information on the free event, contact Nita Sinaga in the Music Department at dsinaga@callutheran.edu.