 The rivalry was, in part, stoked by Willie Dixon providing songs to both artists, with Wolf suspecting that Muddy was getting Dixon's best songs.1955 saw the departure of Jimmy Rogers, who quit to work exclusively with his own band, which had been a sideline until that time.In the mid-1950s, Muddy Waters' singles were frequently on "Billboard" magazine's various Rhythm & Blues charts including "Sugar Sweet" in 1955 and "Trouble No More", "Forty Days and Forty Nights", and "Don't Go No Farther" in 1956.