Educational services, namely, conducting classes, seminars, and conferences in the fields of musical instruments and accessories, musical performance equipment and accessories, music related software and hardware, multimedia equipment, sheet music, and music books and periodicals; organizing and arranging cultural and educational exhibitions in the fields of musical instruments and accessories, musical performance equipment and accessories, music related software and hardware, multimedia equi...

Educational services, namely, conducting classes, seminars, and conferences in the fields of lighting technology, stage technology, lighting and stage effects, projection and presentation technology, lighting accessories, lighting design and furnishing, sales and presentation facilities, lighting trade media, lighting service enterprises, sound technology, video technology, sound and video accessories, sound and vide trade media, sound and video service enterprises; organizing and arranging c...