As soon as the sessions began, the personality clash that had been evident between McCulloch and Britton during Wings' 1974 sessions in Nashville became more pronounced, and Britton - after a six-month tenure - quit Wings, having only played on three of the new songs.
John Lennon, often in a nostalgic mood during his "Lost Weekend" period, had told May Pang (his then girlfriend) that they would visit the McCartneys during the recording sessions for Venus and Mars, and considered writing with him again.