Why did creedence clearwater revival influence the people of 50s and 60s?

Creedence Clearwater Revival (CCR) was an American rock band that gained popularity in the late 1960s and early 1970s. While they did have a significant impact on the music scene of that time, it is not accurate to say that they influenced the people of the 1950s. Their influence was primarily felt during the latter half of the 1960s and beyond.