These are Records You Should Know About. One of the most collectible forms of Rock N Roll is Rockabilly, which blossomed in the 1950’s. Here are two to be on the lookout for. In 1957, Atomic Records released the single, “Got Rockin on My Mind,” by Curley Griffin. A copy is worth up to $1,500.00. That same year, Gene Criss & the Hep Cats recorded “Hep Cat Baby.” Released on Rhythm Records, a copy can get you $2,000.00 today. Click on “Records You Should Know About” in the yellow strip above for more free samples.