While they are often categorized as rock and roll, their music also had influences from:
* Country: The Everly Brothers' early music was heavily influenced by country music, with their harmonies and song structures often echoing the style of country duos like the Louvin Brothers.
* Pop: Their music was highly accessible to the mainstream, with catchy melodies and singable hooks that made them popular with audiences of all ages.
* Doo-wop: The Everly Brothers' vocal harmonies also had a strong connection to doo-wop music, which was popular among African American teenagers in the 1950s.
Their unique blend of these genres made them one of the most influential and enduring musical acts of the 1950s and 1960s.