1. “Put a Ring On It”
As “Glee” legend goes, Heather was originally brought on the show to teach the “Glee” cast how to perform Beyonce’s hit. She did such a great job, that the team kept her. And, the rest is history. See the video that started it all.

BONUS: “Fondue For Two”
We can all agree. Fondue is delicious no matter what your species.

Come back right here all season long as we present the Music of Glee plus special content like musical episode recaps, exclusive “Glee” photos, and videos and the hottest interviews from TV’s favorite stars.

For more music from the Cast of Glee visit the Glee page at iTunes.