The William McKinley High School glee club's version of "Don't Stop Believing" is a best-seller on iTunes.

In fact, you can purchase it off our site right now!

Meanwhile, we've uncovered a slew of singles that Glee is sure to turn into hits again this fall. Expect the following songs to be performed at some point during the show's first full season run:

• "Gold Digger" - Kanye West 
• "Push It" - Salt N Pepa
• "Take a Bow" - Rihanna
• "Single Ladies - Beyonce
• "I Say A Little Prayer" - Burt Bacharach
• "All By Myself" - Eric Carmen
• "Tonight" - West Side Story
• "The Money Song" - Cabaret

Whatever songs pop up on Glee this fall, you'll be able to easily purchase them on our website.

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.