Rock stars are popular. Many of them can fill athletic stadiums with crowds of devotees eager to hear them perform live. Understandably, their fans are also often curious about where their idols got their ideas for the hit songs they wrote. Especially during the 1960s and the 1970s, rock and roll, country and western, blues, and other genres of popular music were truly original, innovative, and creative. No outstanding singer or band sounded like any other; each was distinctive; each was unique, offering his, her, or their own sounds. This is one of the characteristics of the musicians of those decades that made them famous among established and new fans generation after generation. Here are 10 origins of 1960s-1970s rock-and-roll oldies but goodies that continue to rock the house.