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NEW YORK, NY - DECEMBER 01: (L-R) Avi Kaplan, Kirstin Maldonado, Mitch Grassi, Scott Hoying, and Kevin Olusola of Pentatonix visit 'The Elvis Duran Z100 Morning Show' at One World Observatory on December 1, 2015 in New York City. (Photo by D Dipasupil/Getty Images)

NEW YORK, NY - DECEMBER 01:  (L-R) Avi Kaplan, Kirstin Maldonado, Mitch Grassi, Scott Hoying, and Kevin Olusola of Pentatonix visit 'The Elvis Duran Z100 Morning Show' at One World Observatory on December 1, 2015 in New York City.  (Photo by D Dipasupil/Getty Images)