Each week, the 'Glee' club of McKinley High put on amazing productions as they rehearse, perform and prepare for their sectional competitions. With genres ranging from musical theater to country to hip-hop, the group has had as much success with energetic, classic rock songs as they have with sweet and soulful ballads. Here's 10 picks we think make great choices for Will Schuester to assign to his talented, if somewhat troubled, group of students.