The Nutcracker’s Sugar Plum Fairy played on a Glass Harp. Performers Anna and Arkadiusz Szafraniec, called Glass Duo, have more videos on their site. There are more glass harps playing in the archives. Via Neatorama. This Webby award-winning video collection exists to help teachers, librarians, and families spark kid wonder and curiosity. TKSST features smarter, more meaningful content than what's usually served up by YouTube's algorithms, and amplifies the creators who make that content. Curated, kid-friendly, independently-published. Support this mission by becoming a sustaining member today.