According to their official blog , the Vitamin String Quartet has come out with seven instrumental versions of songs performed by the cast of Glee! Tracklist: 1) Defying Gravity 2) Don’t Stop Believin’ 3) Somebody to Love 4) Imagine 5) Gold Digger 6) Papa Don’t Preach 7) It’s My Life They are available for download on iTunes.
Song: “ Imagine ” (Studio Version) Performed by: Glee Cast Original by: John Lennon Featured in : Episode 1
Song: “ Hair & Crazy In Love ” (Studio Version) Performed by: Glee Cast, Amber Riley, Kevin McHale Original by: Hair Musical & Beyonce Featured in : Episode 1