Here are a few Rock 'n' Roll Space Patrol Action Is Go! reviews I've found online. Some are flattering,
"Frankly, there is more fun in the first fifteen minutes of Rock and Roll Space Patrol: Action is Go! than in the entirety of Anakin Skywalker's transformation into Darth Douche Bag."
Others not so much,
"Should you buy it? Probably not, but if your senile grandmother bought it for you for Christmas, I don't think you'll spend the rest of the month hating her."
Have a look for yourself.
DVD Talk
DVD Schlock
Film Threat
DVD Verdict
Internet Movie Database