British indie pop band Florence + the Machine performs a selection of their hits in New York City during December 2011, featuring fan favorite tracks such as "Dog Days Are Over," "Shake It Out" and "No Light No Light."

Nashville, Tenn., singer-songwriter duo The Civil Wars performs a selection of their hits in New York, featuring a wide variety of fan favorite tracks such as "Poison & Wine," "Barton Hollow" and "I've Got This Friend."

From Metropolis Studios in New York City, alternative hip-hop band Gym Class Heroes delivers an intimate acoustic performance for a small audience, featuring a series of popular songs, with guest artists like Patrick Stump and Neon Hitch.

British singer-songwriter Rita Ora performs a wide selection of her hits at a concert in New York City, featuring a variety of fan favorite tracks such as "How We Do (Party)," "R.I.P." and numerous other well-received songs.

The country star performs her hits including "Good Girl" and "Before He Cheats," as well as a surprise cover of Coldplay's "Fix You."