Original: Creedence Clearwater Revival (often abbreviated CCR) was an American rock band that gained popularity in the late 1960s and early 1970s with a number of successful singles drawn from various albums.
Simplified: Creedence Clearwater Revival (often made shorter as CCR or Creedence) was an ((United States American) was an rock band from California, United States. They were popular in the late 1960s and early 1970s.