Pull Out All the Stops on the largest fully-functional musical instrument in the world! This is a rare opportunity to visit the Wanamaker Organ at Macy's in the heart of Philadelphia. Organ Curator Curt Mangel will lead a two-hour private tour and demonstration of the instrument, and will provide the winning bidder with a chance to play the reigning Monarch of the King of Instruments. This unique and very special opportunity is offered for a maximum of four guests, inclusive of the winner bidder.