There is an excellent article by Sean Kitching on The Quietus website marking 40 years since the release of Doc at the Radar Station. It includes insights about the recording of Don’s penultimate album from new interviews with Gary Lucas and Eric Drew Feldman.
Read the article here – The Best Batch Yet? Captain Beefheart’s Doc At The Radar Station Revisited
Don’t agree with any of that, I bought it because I’m smitten, but it’s contrived and “mostly artificial” to quote. I’m besotted with DVV but I hardly ever play this one.