Nostalgia Alert! Jump back a decade and enjoy the best songs of 2011. They are headlined by a synthpop classic, a massive hit from a hot diva, pristine harmonies of a young band headed for greatness.
Journey back 13 years to a stellar year for Rihanna, M.I.A., Arcade Fire, and Kanye West. From hip-hop to indie rock and everywhere in between, PopMatters picks the best 50 songs of 2007.