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With soft, mainly acoustic guitar backing, sweet close-harmony vocals, non-threatening lyrics, and clean-cut white faces, the Everly Brothers were, in their heyday, never perceived as a threat to society, as were performers such as Chuck Berry and Little Richard; they are one of rock and roll music's most important acts because their music, while arguably containing just as much subversion and sexual tension as that of many another group, helped bridge the gap between rock and country music in a way that appealed to fans of both genres.