This is a classic repeating 12 bar blues song. It has a Blues/Rock style, which is where the inspiration for the title came from. If you don't know what it is (I didn't), just google 'blue rock salt' - it's interesting stuff!
Prana Crafter’s “Bodhi Cheetah’s Choice” is an album of mystic, drifting guitar work alternately haunting and searing. Bandcamp New & Notable Jan 8, 2018