Genres
Music Genres
A music genre is a conventional category that identifies pieces of music as belonging to a shared tradition or set of conventions. It is to be distinguished from musical form and musical style.
Rock
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Rock music is a genre of popular music that originated as "rock and roll" in 1950s America and developed into a range of different styles in the 1960s and later, particularly in the United Kingdom and the United States. It has its roots in 1940s' and 1950s' rock and roll, itself heavily influenced by rhythm and blues and country music. Rock music also drew strongly on a number of other genres such as blues and folk, and incorporated influences from jazz and other musical sources. Like pop music, lyrics often stress romantic but also address different types of other themes that are frequently social or political in emphasis. The dominance of rock by white, male musicians has been seen as one of the key factors shaping the themes explored in rock music. Rock places a higher degree of emphasis on musicianship, live performance, and an ideology of authenticity than pop music.
Alternative Rock
This a genre of rock music that emerged from the independent music underground of the 1980s and became widely popular by the 1990s. Although the term was most commonly associated in its commercial heyday with a loud, distorted guitar sound, its original meaning was broader, referring to a generation of musicians unified by their collective debt to either the musical style.
