Open Door is based on "Paris," a hymn tune by early-American composer William Billings. The tune is also known by the name "Open Door." This work consists of an Introduction and Postlude. Organists may choose to perform both sections together or to employ the Postlude as a stand- alone work in a worship setting. Premiered at "The World's Largest Organ Concert," a national event commemorating the 100th anniversary of the American Guild of Organists.