 On July 3, 2008, Turk presented the Organ Centennial Concert as part of the Summer Stars Classical Series to celebrate the 100th anniversary of the organ's dedicatory recital on July 3, 1908.In May 2006, he was one of the first organists to perform on the newly installed Fred J. Cooper Memorial Organ in Philadelphia's Kimmel Center for the Performing Arts.The previous year, he gave a recital on the Wanamaker Organ in Philadelphia, the largest functioning musical instrument in the world.