To promote his new "Eye'm All Mixed Up" album, Toby Mac's Facebook app is a remix app for his song "Speak Life". Fans can click to fill in the squares on the remix app while the song plays, turning instruments and vocals on and off. When done, they can share their unique remix link with friends! You can check it out here: https://www.facebook.com/tobymac/app_195099043938544

Main screen
Fans can click the square as the song plays to turn instruments on and off