GLEE - Full Performance of "Somebody That I Used To Know" airing TUE 4/10,GLEE - Full Performance of "The Scientist",GLEE - Full Performance of "Mine",GLEE - Full Performance of "Call Me Maybe" airing THUR 9/13,GLEE - Full Performance of "Give Your Heart A Break",GLEE - Full Performance of "Oops I Did It Again",GLEE - Full Performance of "It's Time",GLEE - Full Performance of "Don't Speak",GLEE - Full Performance of "Starships",GLEE - Full Performance of "Womanizer",GLEE - Full Performance of "Shake It Out",GLEE - Full Performance of "Paradise By The Dashboard Light",GLEE - Full Performance of "The Way You Look Tonight",GLEE - Full Performance of "It's All Coming Back To Me Now",GLEE - Full Performance of "Everytime",GLEE - Full Performance of "Americano"/"Dance Again" airing THUR 9/13,GLEE - Full Performance of "How Will I Know",GLEE - Full Performance of "Cell Block Tango",GLEE - Full Performance of "A Change Will Do You Good",GLEE - Full Performance of "Roots Before Branches",GLEE - Full Performance of "Crazy"/"U Drive Me Crazy",GLEE - Full Performance of "Chasing Pavements",GLEE - Full Performance of "Celebrity Skin",GLEE - Full Performance of "3",GLEE - Full Performance of "New York State of Mind",GLEE - Full Performance of "Sexy And I Know It" airing TUE 2/7,GLEE - Full Performance of "Teenage Dream",GLEE - Full Performance of "Hold It Against Me", All about Glee!