After winning the title of champion in the reality show The Sing-Off, Pentatonix was signed to a record label, enabling them to pursue their goal of a musical career.

The group promoted their then-upcoming EP through YouTube videos with covers of pop songs such as "Somebody That I Used to Know" by Gotye featuring Kimbra, "Gangnam Style" by PSY, and "We Are Young" by Fun, which went viral.

[1][2] The Gizzle Review gave the EP four stars out of five, praising the group by saying, "these new [cover song] versions are exquisite - filled with tight harmonies, impressive riffing and plenty of vocal bells and whistles."

However, they also pointed out that, "This EP doesn't have the same variety of material as the group presented on The Sing Off (admittedly consisting of themed rounds)."

[3] Alt Rock Live gave a score of 9 out of 10: "Pentatonix brings so much energy into their music along with intense talent and creativity.