In early 1959, the Jazz Messengers—Art Blakey's long running group and launching pad for basically every significant jazz star of the '50s and '60s—went into the studio to cut an album of songs mostly by saxophonist Hank Mobley, who had recently rejoined the group following a few years making his own records. The quintet of Mobley, Blakey, Trumpeter Lee Morgan, pianist Bobby Timmons and bassist Jymie Merritt, had only been playing together for a short time, and wouldn't be together much longer—by the summer, Mobley would be replaced by Wayne Shorter—but they recorded six albums of post-bop greatness, songs that crawl like the blues. The album would never see official release, as Blue Note prioritized live sets over the studio creation, and by the time they were ready, the band had changed. So Just Coolin' has sat on a shelf in a vault for 61 years, being released now, remastered all-analog from its original master tapes. We have it on transparent gold and red hi-melt vinyl.