AceShowbiz -

Gearing up for its graduation later this season, "Glee" announces "The Graduation Album" to celebrate the impending event. The CD featuring such stars as Lea Michele and Darren Criss is confirmed to hit market across the United States on May 15, a week before the show airs its finale.

The commemorative release is going to capture the bitter sweetness of senior year with the cast covering the likes of Queen, Lady GaGa, Jason Mraz, Bruce Springsteen, Beyonce Knowles, Madonna, Alice Cooper, Fun. and Green Day.

Since making its debut on the small screen three years ago, "Glee" cast have sold 43 million songs and over 12 million albums worldwide. In February this year, they scored a big milestone by being ranked eighth on the best selling digital artist of all time.

They have two Platinum-certified CDs for selling more than 1 million copies and three Gold albums for selling 500,000 copies. They additionally scored three No. 1 consecutive albums and a Grammy nomination for best compilation soundtrack for visual media.

1. "We Are Young"
2. "Edge of Glory"
3. "I Won't Give Up"
4. "We Are the Champions"
5. "School's Out"
6. "I Was Here"
7. "I'll Remember"
8. "You Get What You Give"
9. "Not the End"
10. "Roots Before Branches"
11. "Glory Days"
12. "Forever Young"
13. "Good Riddance (Time of Your Life)"