Original song, Kurt sings it by himself.
The Warblers sing Raise Your Glass in the 16th episode of Season 2, called Original Song.
She sings Firework in season 2 episode 12. ;)
"As if we never said goodbye" Sunset Boulevard
Lea Michele (Rachel) and Cory Monteith (Finn) sing a duet of No Air on Glee!
Episode 8 of glee season one, titled "Mash-up" includes the songs: "Bust a Move" "The Thong Song" "Sweet Caroline" "I Could Have Danced All Night" "Bust a Move", "The Thong Song", and "Sweet Caroline" were released as singles on iTunes.
Original song, Kurt sings it by himself.
season two, episode "original song"
They (Sam, Artie, Puck and Mike) sing the song in the episode 'Comeback', which is the thirteenth episode of season 2.
The Warblers sing Raise Your Glass in the 16th episode of Season 2, called Original Song.
The Glee cast performed the song "Landslide" in Season 2, Episode 15 titled "Sexy."
Mercedes and the New Directions sing Christina Aguilera's song "Beautiful" in episode 16 season 1titled "Home".
Depending on which day Last Night was!
She sings Firework in season 2 episode 12. ;)
There has been reports that Glee will sing a song from The Wanted in the near future.
"As if we never said goodbye" Sunset Boulevard
Lea Michele (Rachel) and Cory Monteith (Finn) sing a duet of No Air on Glee!