Firework (Originally Performed by Katy Perry) [Karaoke Version] Backup Vocal Fever

In the Air (Originally Performed by Chipmunk & Keri Hilson) [Karaoke Version] Backup Vocal Fever

The Lazy Song (Originally Performed by Bruno Mars) [Karaoke Version] Backup Vocal Fever

Rope (Originally Performed by Foo Fighters) [Karaoke Version] Backup Vocal Fever

Inside Out (Originally Performed by Britney Spears) [Karaoke Version] Backup Vocal Fever

Black & Yellow (Originally Performed by Wiz Khalifa) [Karaoke Version] Backup Vocal Fever

Look at Me Now (Originally Performed by Chris Brown Ft. Lil Wayne & Busta Rhymes) [Karaoke Version] Backup Vocal Fever

I Need a Doctor (Originally Performed by Dr. Dre Ft. Eminem & Skylar) [Karaoke Version] Backup Vocal Fever

Dog Days Are Over (Originally Performed by Florence+Machine) [Karaoke Version] Backup Vocal Fever

S&M (Originally Performed by Rihanna) [Karaoke Version] Backup Vocal Fever