If the record was picked up by Dot Records, I would imagine that they would have wanted both sides of the record to be something by Lou alone which would account for the dropping of 'So Blue'.
“There is neither rank nor station nor prerogative in the republic of the grave.”
“Almost all wars, perhaps all, are trade wars connected with some material interest. They are always disguised as sacred wars, made in the name of God, or civilization or progress. But all of them, or almost all of the wars, have been trade wars.”