Bass Avi Kaplan Mezzosoprano Kirstie Maldonado Baritone Scott Hoying Tenor Mitch Grassi and Cello Kevin Olusola of a cappella Pop group Pentatonix...
{"Image ImageDescription": "NEW YORK, NY - DECEMBER 02:  (L-R) Bass: Avi Kaplan, Mezzo-soprano: Kirstie Maldonado, Baritone: Scott Hoying, Tenor: Mitch Grassi and Cello: Kevin Olusola of a cappella Pop group Pentatonix pose during the 83rd Annual Rockefeller Christmas Tree Lighting Ceremony at Rockefeller Center on December 2, 2015 in New York City.  (Photo by Gilbert Carrasquillo/FilmMagic)", "Image Copyright": "2015 Gilbert Carrasquillo"}