The opening number from Episode 1 in NBC's The Sing-Off, each group presented their best soloist with David Bowie's 'Under Pressure'. Singing totally a cappella, this selection gives you the opportunity to showcase an amazing spectrum of vocal talent! The Sing-Off kicked off Episode 3 with a bright and vibrant rendition of the '70s classic 'Mr. Blue Sky' by the Electric Light Orchestra performed by all the remaining groups. A fun and appealing choice for all types of a cappella groups! The opening number from the final night of NBC's The Sing-Off, here is the #1 pop hit from 1987 'I Still Haven't Found What I'm Looking For' by U2 in an awesome a cappella setting. Uplifting and powerful!