Pentatonix: The Evergreen Christmas Tour at Mohegan Sun Arena

Pentatonix are a pop-style Capella group from Arlington, Texas, consisting of vocalists Scott Hoying, Mitch Grassi, Kirstin Maldonado, Kevin Olusola, and Matt Sallee. The group formed after taking part and winning the third season of NBC's, The Sing-Off, in 2011 and received $200,000 and a recording contract with Sony Music.

Their debut EP PTX, Volume 1, released in 2012, followed by their holiday release, PTXmas, the same year, with Pentatonix's third release, PTX, Vol. II, debuting at number 1 on Billboard's Independent Albums chart and number 10 on the Billboard 200 in 2013. Their second holiday release, That's Christmas to Me, became the highest-charting holiday album by a group since 1962, and the fourth-best-selling album in the United States in 2014. In total, Pentatonix has released nine studio albums, six EPs, eighteen singles and fifty music videos. The Lucky Ones, is their latest album containing all original material, succeeding their 2015 self-titled album.

The band have won 3 Grammy Awards for their songs, "Daft Punk", "Dance of the Sugar Plum Fairy", and "Jolene" which featured Dolly Parton. As well as 1 Streamy Award, 2 YouTube Music Awards, and a Shorty Award.