If you believe the hype, you should expect to see significant improvements in your singing abilities within a short period of time. I don't believe this is applicable to Nifty Nev in any way, shape, or form. It will take a miracle for us to get these pipes back in tune. They accomplish this by improving your pitch, tone, and other fundamentals, as well as by facilitating this instructional course of in the consolation of your personal residence.