Pop, Rock & Disco charts

Heavy metal music

Heavy metal (or simply metal) is a genre of rock music[1] that developed in the late 1960s and early 1970s, largely in the United States and the United Kingdom. Rock music has also embodied and served as the vehicle for cultural and social movements, leading to major sub-cultures including mods and rockers in the UK and the hippie counterculture that spread out from San Francisco in the US in the 1960s. Rock music has also embodied and served as the vehicle for cultural and social movements, leading to major sub-cultures including mods and rockers in the UK and the hippie counterculture that spread out from San Francisco in the US in the 1960s. Rock music also drew strongly on a number of other genres such as electric blues and folk, and incorporated influences from jazz, classical and other musical sources. Rock music is traditionally built on a foundation of simple unsyncopated rhythms in a 4/4 meter, with a repetitive snare drum back beat on beats two and four.[10] Melodies are often derived from older musical modes, including the Dorian and Mixolydian, as well as major and minor modes. Such elements include generally short to medium-length songs, written in a basic format (often the verse-chorus structure), as well as the common employment of repeated choruses, melodic tunes, and hooks. It has also made use of technological innovation. Early pop music drew on the sentimental ballad for its form, gained its use of vocal harmonies from gospel and soul music, instrumentation from jazz, country, and rock music, orchestration from classical music, tempo from dance music, backing from electronic music, rhythmic elements from hip-hop music, and has recently appropriated spoken passages from rap. Classically, a rock band takes the form of a quartet whose members cover one or more roles, including vocalist, lead guitarist, rhythm guitarist, bass guitarist, drummer and often that of keyboard player or other instrumentalist. Like pop music, lyrics often stress romantic love but also address a wide variety of other themes that are frequently social or political in emphasis. So-called "pure pop" music, such as power pop, which has been described as mixture of hard rock and melodic pop music[1] and tends to be more aggressive than pop rock,[2] features all these elements, using electric guitars, drums and bass for instrumentation. Early pop music drew on the sentimental ballad for its form, gained its use of vocal harmonies from gospel and soul music, instrumentation from jazz, country, and rock music, orchestration from classical music, tempo from dance music, backing from electronic music, rhythmic elements from hip-hop music, and has recently appropriated spoken passages from rap. So-called "pure pop" music, such as power pop, which has been described as mixture of hard rock and melodic pop music[1] and tends to be more aggressive than pop rock,[2] features all these elements, using electric guitars, drums and bass for instrumentation. Inheriting the folk tradition of the protest song, rock music has been associated with political activism as well as changes in social attitudes to race, sex and drug use, and is often seen as an expression of youth revolt against adult consumerism and conformity. Early pop music drew on the sentimental ballad for its form, gained its use of vocal harmonies from gospel and soul music, instrumentation from jazz, country, and rock music, orchestration from classical music, tempo from dance music, backing from electronic music, rhythmic elements from hip-hop music, and has recently appropriated spoken passages from rap.

Hip hop music

Hip hop music, also called hip-hop or rap music, is a music genre consisting of a stylized rhythmic music that commonly accompanies rapping, a rhythmic and rhyming speech that is chanted. Since the term rock began to be used in preference to rock and roll from the late-1960s, it has often been contrasted with pop music, with which it has shared many characteristics, but from which it is often distanced by an emphasis on musicianship, live performance and a focus on serious and progressive themes as part of an ideology of authenticity that is frequently combined with an awareness of the genre's history and development.[20] According to Simon Frith "rock was something more than pop, something more than rock and roll. Harmonies range from the common triad to parallel fourths and fifths and dissonant harmonic progressions.[10] Rock songs, since the late 1950s[11] and particularly from the mid-1960s onwards, often used the verse-chorus structure derived from blues and folk music, but there has been considerable variation from this model.[12] Critics have stressed the eclecticism and stylistic diversity of rock.[13] Because of its complex history and tendency to borrow from other musical and cultural forms, it has been argued that "it is impossible to bind rock music to a rigidly delineated musical definition. It is "not driven by any significant ambition except profit and commercial reward ... and, in musical terms, it is essentially conservative". The term "pop song" is first recorded as being used in 1926, in the sense of a piece of music "having popular appeal".[8] Hatch and Millward indicate that many events in the history of recording in the 1920s can be seen as the birth of the modern pop music industry, including in country, blues and hillbilly music. Typically, rock is song-based music usually with a 4/4 time signature using a verse-chorus form, but the genre has become extremely diverse. Rock music is a genre of popular music that originated as "rock and roll" in the United States in the 1950s, and developed into a range of different styles in the 1960s and later, particularly in the United Kingdom and the United States.[1][2] It has its roots in 1940s' and 1950s' rock and roll, itself heavily influenced by blues, rhythm and blues and country music. The dominance of rock by white, male musicians has been seen as one of the key factors shaping the themes explored in rock music. Unlike many earlier styles of popular music, rock lyrics have dealt with a wide range of themes in addition to romantic love: including sex, rebellion against "The Establishment", social concerns and life styles.[10] These themes were inherited from a variety of sources, including the Tin Pan Alley pop tradition, folk music and rhythm and blues.[15] Music journalist Robert Christgau characterizes rock lyrics as a "cool medium" with simple diction and repeated refrains, and asserts that rock's primary "function" "pertains to music, or, more generally, noise."[16] The predominance of white, male and often middle class musicians in rock music has often been noted[17] and rock has been seen as an appropriation of black musical forms for a young, white and largely male audience.[18] As a result, it has been seen as articulating the concerns of this group in both style and lyrics. According to Grove Music Online, the term "pop music" "originated in Britain in the mid-1950s as a description for rock and roll and the new youth music styles that it influenced ...".[10] The Oxford Dictionary of Music states that while pop's "earlier meaning meant concerts appealing to a wide audience ... Pop is not a do-it-yourself music but is professionally produced and packaged". In the second half of the 1970s, punk rock reacted against the perceived overblown, inauthentic and overly mainstream aspects of these genres to produce a stripped-down, energetic form of music valuing raw expression and often lyrically characterised by social and political critiques. Throughout its development, pop music has absorbed influences from most other genres of popular music. since the late 1950s, however, pop has had the special meaning of non-classical mus[ic], usually in the form of songs, performed by such artists as the Beatles, the Rolling Stones, ABBA, etc".[11] Grove Music Online also states that "...