When it comes to Stax Records’ 60th anniversary celebration, why should CDs have all the fun? The vinyl release of The Stax Vinyl 7s Box from Concord and UMC (STX 00252) brings fourteen rare tracks from across the Stax family of labels to seven 45 RPM singles, all emblazoned with the familiar yellow, finger-snapping logo.  Compiler Richard Searling’s raison d’etre is a simple one, as he sets forth in the liner notes: “I’ve selected the content based on my experience of featuring these songs in clubs, on the radio, or just being…