Our trip was pretty basic and, frankly, we're not all that interested in a lot of what the museum shows. So my rating is more based on the potential of the place.
We happened to go when the Martina McBride exhibit was on. Being from Kansas, that was cool to see.
They have a lot of neat artifacts if you're into that kind of thing. I enjoyed seeing some of the Taylor Swift stuff and some of the more historical items (like maybe the guitar used in Garth's "The Dance" video). Obviously country music is steeped in history and tradition but, lol, we don't have much interest in that so quick browsed a lot of it.
All in all, we were dealing with high heat and my mom who can't take the heat. So the museum was a nice stop to see some things and spend a couple hours (based on our parking) inside a nice, ACed facility. I have no doubt if you're a die-hard country person, enjoy seeing the outfits, and try some of the other experiences, this is a must stop. It has some places to eat and a nice but expensive gift stop, so it really is a one-stop shop if you want it to be. We paid about $30 for basic admission and that seems okay. Everyone we encountered was nice, and I have a feeling if you shell out for some of the experiences it would be a great stop.