Pro: "When it's just for fun!! "
Pro tracks feature a complete vocal mix just like the original. It's like singing with the radio or CD. Great for fun, learning songs, and warming up.

Pro Plus: "When you're serious about your singing..."
Pro Plus tracks allow you to be the lead singer, backed up by top professional background singers.

Pro Extra: "When you're serious enough to have your own background crew!!"
Pro Extra tracks are just that, tracks with NO vocals so you and your crew can do your thing.