I took lessons through Mclain's mind of music for one reason; to learn how to play "Green Hill Zone" on Piano. Thanks to Kevin, I can say that I accomplished that goal (granted, 2 years after he left but you get the idea.)
Because Kevin was my teacher, I've moved on to learning a couple other songs as well (although I could always practice more than I do.) When Kevin was giving lessons in Chicagoland he was the most affordable piano lessons, regardless of if it was hourly or half-hour (short of having a piano whiz for a grandparent who would teach you for free, which I do not.)
Improve, I guess a couple times he was 5 or 10 minutes late for the appointment, but that's only because he would DRIVE OUT to the kid's house and be stuck in traffic on the way back (which is totally understandable, considering what an excellent musician Kevin is.)
If you take one lesson, you'll feel the same.
Young or Old, Beginner, Intermediate or Advanced Kevin can teach you how to play.