I’ve always wondered has Rhino/Reprise ever tried to get them to release it!? Mock up the whole package, remaster the whole thing. Do the liner notes etc. Send it to their agents with a contract/angree and see what happens.
Even if they don’t have access to the tapes, they could mock up a package and dangle the carrot in front of them. I have a hard time believing nobody has tried that yet. They would be foolish not to. $$$ to be made.
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