Pretty sure that's fake. (Thank God). Glee songs never leak a month later, and that doesn't sound even close to any voices on the Glee cast. Plus, you could expect Glee's cover to be more cheesy, light, etc.
When I come back from the gym my elliptical, I will be expecting some news.
I'm watching Sleepless in Seattle while I exercise - a movie that ripped off a beloved classic, was corny as hell, but still turned into a huge hit. How appropriate for this thread.