Usher and Miguel kick off 2012 iTunes Festival - Video

R&B singers Usher and Miguel kicked off the 2012 iTunes festival this weekend, which took place in London at Camden's Roundhouse. Both artists performed engaging sets, and Usher in particular took it way back in his catalog. The free festival will feature free performances from JLS, Rebecca Ferguson, Jessie J, Alicia Keys, Pink, One Direction, and more in the coming weeks.