The 2014 concerts, held December 11-14, featured guest appearances by the Sesame Street Muppets, namely Big Bird (Matt Vogel), Cookie Monster (David Rudman), Count von Count (Vogel), Elmo (Ryan Dillon), Grover (Eric Jacobson), Abby Cadabby (Leslie Carrara-Rudolph), Rosita (Carmen Osbahr), Bert (Jacobson) and Ernie (William Barkhurst), along with Santino Fontana (the voice of Hans in Disney's Frozen). The concert was broadcast as a television special, trimmed down to an hour, on PBS on December 21, 24 and 25, 2015.