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| | Encyclopedia: Rock and Roll (Site not responding. Last check: ) |
 | | Rock and roll (also spelled rock 'n' roll, especially in its first decade), is a genre of music that emerged as a defined musical style in the Southern United States in the 1950s, and quickly spread to the rest of the country, and the world (rhythm sample). |
 | | Rock is a form of popular music, usually featuring vocals (often with vocal harmony), electric guitars, a bass guitar, and a strong back beat; other instruments, such as the saxophone, trumpet, and trombone are common in some styles, however, horns have been omitted from newer subgenres of rock music since... |
 | | Rock is a form of popular music, usually featuring vocals (often with vocal harmony), electric guitars, and a strong back beat; other instruments, such as the saxophone, are common in some styles, however saxophones have been omitted from newer subgenres of rock music since the 90's. |
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