A Maelzel metronome at various speeds.
Julian Rachlin and Aleksey Igudesman: The Soloist's Ultimate Happy Birthday
The Minnesota Boychoir performs "Adiemus" by composer Karl Jenkins.
Michael Anthony Nigro plays 'Suite del Recuerdo' by Jose Luis Merlin.
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.