 Complete the following phrase:  He then accompanied the Rolling Stones on their 1971 U.K. tour in the hope of being signed to the newly formed Rolling Stones Records; by this juncture, Parsons and Richards had mulled the possibility of recording a duo album. Moving into Villa Nellcôte with the guitarist during the sessions for Exile on Main Street that commenced thereafter, Parsons remained in a consistently incapacitated state and frequently quarreled with his girlfriend, aspiring actress Gretchen Burrell. Eventually, Parsons was asked to leave by Anita Pallenberg, Richards longtime domestic partner. Decades later, Richards suggested in his memoir that Jagger may have been the impetus for Parsons departure because Richards was spending so much time playing music with Parsons. Rumors have persisted that he appears somewhere on the legendary album, and while Richards concedes that it is very likely he is among the chorus of singers on Sweet Virginia, this has never been substantiated. Parsons attempted to rekindle his relationship with the band on their 