Theremin inventor Leon Theremin demonstrates his instrument.
The National Repertory Orchestra in Breckenridge plays "The Muse and the Poet" by Camille Saint-Saens in 2013. The performance features cellist Sarah Markle and violinist Hanna Cooper.
Aerial dance troupe Bandaloop performs to music by Zachary Carrettin of the Boulder Bach Festival.
The "Body" episode from violinist Jennifer Koh's "Off Stage On Record" videos explores injury prevention for musicians.
Musicians from the Chicago Symphony perform Arnold Schoenberg's "Pierrot Lunaire."
The Stringfever ensemble plays Ravel's "Bolero" on a unique, single instrument.