Creedence Clearwater Revival — occasionally shortened to Creedence or CCR — was an American rock band popular in the late 1960s and early 1970s.The band consisted of lead vocalist, lead guitarist, and primary songwriter John Fogerty, rhythm guitarist Tom Fogerty (John's brother), bassist Stu Cook, and drummer Doug Clifford. Their musical style encompassed the roots rock and swamp rock genres. Despite their San Francisco Bay Area origins, they portrayed a Southern rock style, singing about bayous, catfish, the Mississippi River, and other popular elements of Southern iconography.Creedence Clearwater Revival's music is still a staple of American and worldwide radio airplay; the band has sold 26 million albums in the United States alone. Creedence Clearwater Revival was inducted into the Rock and Roll Hall of Fame in 1993. Rolling Stone ranked the band eighty-second on its list of the 100 greatest artists of all time. Their musical influence can be heard in many genres including southern rock, grunge, roots rock, and blues.