| From Wikipedia... | | | | in music listening as the radio gained popularity and |
| Music is an art form whose medium is sound. | | | | phonographs were used to replay and distribute |
| Common elements of music are pitch (which governs | | | | music. The focus of art music was characterized by |
| melody and harmony), rhythm (and its associated | | | | exploration of new rhythms, styles, and sounds. Igor |
| concepts tempo, meter, and articulation), dynamics, | | | | Stravinsky, Arnold Schoenberg, and John Cage were |
| and the sonic qualities of timbre and texture. The | | | | all influential composers in 20th century art music. |
| word derives from Greek (mousike), "(art) of the | | | | Jazz evolved and became a significant genre of music |
| Muses". | | | | over the course of the 20th century, and during the |
| The creation, performance, significance, and even the | | | | second half of that century, rock music did the same. |
| definition of music vary according to culture and social | | | | Jazz is an American musical art form which originated |
| context. Music ranges from strictly organized | | | | in the beginning of the 20th century in African |
| compositions (and their recreation in performance), | | | | American communities in the Southern United States |
| through improvisational music to aleatoric forms. Music | | | | from a confluence of African and European music |
| can be divided into genres and subgenres, although | | | | traditions. The style's West African pedigree is |
| the dividing lines and relationships between music | | | | evident in its use of blue notes, improvisation, |
| genres are often subtle, sometimes open to individual | | | | polyrhythms, syncopation, and the swung note.[17] |
| interpretation, and occasionally controversial. Within | | | | From its early development until the present, jazz has |
| "the arts", music may be classified as a performing | | | | also incorporated music from 19th and 20th century |
| art, a fine art, and auditory art. | | | | American popular music.[18] Jazz has, from its early |
| To many people in many cultures music is an | | | | 20th century inception, spawned a variety of |
| important part of their way of life. Greek | | | | subgenres, ranging from New Orleans Dixieland |
| philosophers and ancient Indian philosophers defined | | | | (1910s) to 1970s and 1980s-era jazz-rock fusion. |
| music as tones ordered horizontally as melodies and | | | | Rock music is a genre of popular music that |
| vertically as harmonies. Common sayings such as "the | | | | developed in the 1960s from 1950s rock and roll, |
| harmony of the spheres" and "it is music to my ears" | | | | rockabilly, blues, and country music. The sound of |
| point to the notion that music is often ordered and | | | | rock often revolves around the electric guitar or |
| pleasant to listen to. However, 20th-century | | | | acoustic guitar, and it uses a strong back beat laid |
| composer John Cage thought that any sound can be | | | | down by a rhythm section of electric bass guitar, |
| music, saying, for example, "There is no noise, only | | | | drums, and keyboard instruments such as organ, |
| sound." According to musicologist Jean-Jacques | | | | piano, or, since the 1970s, digital synthesizers. Along |
| Nattiez, "the border between music and noise is | | | | with the guitar or keyboards, saxophone and |
| always culturally defined-which implies that, even | | | | blues-style harmonica are used as soloing instruments. |
| within a single society, this border does not always | | | | In its "purest form", it "has three chords, a strong, |
| pass through the same place; in short, there is rarely | | | | insistent back beat, and a catchy melody."[19] In the |
| a consensus.... By all accounts there is no single and | | | | late 1960s and early 1970s, rock music branched out |
| intercultural universal concept defining what music | | | | into different subgenres, ranging from blues rock and |
| might be, except that it is 'sound through time'." | | | | jazz-rock fusion to heavy metal and punk rock, as |
| 20th century music | | | | well as the more classical influenced genre of |
| With 20th century music, there was a vast increase | | | | progressive rock. |