Forrás: Guys' Sing-Off. It's My Life. Glee Cast. Choir sheet music. Guys' Sing-Off. from Glee. By Glee Cast. For Choral.
Fordítás: Guys 'Sing-Off. Kórus kotta. Guys 'Sing-Off. A Glee. A Glee Cast. Rendezett Mark A. Brymer és Adam Anders. A Choral. ShowTrax CD.