More Rock-A-Shacka re-issues from the vaults of the mighty Prince Buster, this time in a 7" dub-plate format.  The double-tuff Ali Shuffle (aka Rock Steady), Buster's homage to Muhammad Ali, was released on the Bluebeat label in the UK and is revered as a ska classic, while Hey Train, a ska makeover of Bobby Timmons' jazz standard Moanin', is previously unreleased and was apparently only ever cut on acetate for sound system use