Prepare for the Glee cast's Oprah Show appearance with a look back at their most showstopping numbers.
Don't Stop Believin'
"Don't Stop Believin'"
It was love at first note. When the Glee gang sang the Journey hit at the end of the pilot episode, jaws around the country hit the floor. Within days, the download catapulted to number one spot in iTunes. Now that's some vocal adrenaline. 

Buy the Glee version of "Don't Stop Believin'" on iTunes