Featured in the movie Despicable Me 2 "Happy" catapulted to number one with its irresistible melody and hook. Sing the song at a brisk, even tempo, using the syncopation to drive from start to finish. "Titanium" - Wow. Two of a cappella's most highly acclaimed arrangers collaborate on this stunning arrangement of vocal pop sensation Sia's hit song. This is an arrangement that should be in every quartet's repertoire. "Sing" is an original song by Pentatonix, the nation's most popular a cappella group, will bring a contemporary flavor to your quartet. "Sugar" - was a hit for Maroon 5 and is very well suited for a close harmony arrangement.

Songlist: Happy, Titanium, Sing, Sugar