The Music Never Stopped: Grateful Dead's Blues for Allah Marks a Return to the Band's Collaborative Roots: Soul-Nourishing 1975 Album Includes "Help on the Way/Slipknot!" . Mastered from the Original Master Tapes, Limited to 4,000 Numbered Copies: Mobile Fidelity 180g 45RPM 2LP Vinyl Set Features Sublime Dynamics, Clarity, Detail, and Presence.