Complex sentence: A tour of Europe in partnership with bassist Willie Dixon a couple of years earlier had so intrigued the pianist that he moved permanently to Paris, where he had more recording and touring possibilities seemed limitless and he was treated with greater respect than in the United States.
Split into simpler sentences: A tour of Europe, in partnership with bassist Willie Dixon a couple of years earlier, had so intrigued the pianist that he moved permanently to Paris. There he had more recording and touring possibilities, plus he was treated with greater respect than in the United States.