Josh Groban & cast - "The Great Comet of 1812" - live at Ars Nova benefit 12/5/2016

(If you like, please subscribe!) Josh Groban performs the song "The Great Comet of 1812" from the Broadway hit "Natasha, Pierre & the Great Comet of 1812" at the Ars Nova benefit gala event on 12/5/2016.