On-line listing services, namely, an on-line searchable database featuring new and used audio, video, lighting, trussing, rigging, and related stage equipment used in stage, theatrical, and musical productions, and capital assets and professional equipment, for sale; providing an on-line searchable database featuring equipment for sale for use in stage, theatrical, and music events, and capital assets and professional equipment, and that enables buyers to connect with sellers of such assets, equipment and their inventory; an on-line marketplace for buyers and sellers of new and used audio, video, lighting, trussing, rigging, and related stage equipment used in stage, theatrical, and musical productions, and capital assets and professional equipment; on-line retail store services featuring new and used audio, video, lighting, trussing, rigging, and related equipment used in stage theatrical, and musical productions, and capital assets and professional equipment