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What  is jazz?
 
Jazz is a musical tradition and style of music that originated at the beginning of the 20th century in African American communities in the Southern United States from a confluence of African and European music traditions. From its early development until the present, jazz has incorporated music from 19th and 20th century American popular music. Its West African pedigree is evident in its use of blue notes, improvisation, polyrhythms, syncopation, and the swung note.
The word "jazz" (in early years also spelled "jass") began as a West Coast slang term and was first used to refer to music in Chicago in about 1915.
From its beginnings in the early 20th century jazz has spawned a variety of subgenres: New Orleans Dixieland dating from the early 1910s, big band-style swing from the 1930s and 1940s, bebop from the mid-1940s, a variety of Latin jazzfusions such as Afro-Cuban and Brazilian jazz, free jazz from the 1950s and 1960s, jazz fusion from the 1970s, acid jazz from the 1980s (which added funk and hip-hop influences), and Nujazz in the 1990s. As the music has spread around the world it has drawn on local national and regional musical cultures, its aesthetics being adapted to its varied environments and giving rise to many distinctive styles.
 
 
Definition
 
Jazz can be very hard to define because it spans from Ragtime waltzes to 2000s-era fusion. Attempts have been made to define jazz from the perspective of other musical traditions—using the point of view of European music history or African music for example—but jazz critic Joachim Berendt argues that all such attempts are unsatisfactory. One way to get around the definitional problems is to define the term "jazz" more broadly. Berendt defines jazz as a "form of art music which originated in the United States through the confrontation of blacks with European music"; he argues that jazz differs from European music in that jazz has a "special relationship to time, defined as 'swing'", "a spontaneity and vitality of musical production in which improvisation plays a role"; and "sonority and manner of phrasing which mirror the individuality of the performing jazz musician".
Double bassist Reggie Workman, saxophone player Pharoah Sanders, and drummer Idris Muhammad performing in 1978
Travis Jackson has also proposed a broader definition of jazz which is able to encompass all of the radically different eras: he states that it is music that includes qualities such as "swinging", improvising, group interaction, developing an 'individual voice', and being 'open' to different musical possibilities". Krin Gabbard claims that “jazz is a construct” or category that, while artificial, still is useful to designate “a number of musics with enough in common to be understood as part of a coherent tradition”.
While jazz may be difficult to define, improvisation is clearly one of its key elements. Early blues was commonly structured around a repetitive call-and-response pattern, a common element in the African American oral tradition. A form of folk music which rose in part from work songs and field hollers of rural Blacks, early blues was also highly improvisational. These features are fundamental to the nature of jazz. While in European classical music elements of interpretation, ornamentation and accompaniment are sometimes left to the performer's discretion, the performer's primary goal is to play a composition as it was written.
In jazz, however, the skilled performer will interpret a tune in very individual ways, never playing the same composition exactly the same way twice. Depending upon the performer's mood and personal experience, interactions with fellow musicians, or even members of the audience, a jazz musician/performer may alter melodies, harmonies or time signature at will. The jazz soloist is supported by a rhythm section who "comp", by playing chords and rhythms that outline the song structure and complement the soloist. European classical music has been said to be a composer's medium. Jazz, however, is often characterized as the product of egalitarian creativity, interaction and collaboration, placing equal value on the contributions of composer and performer, 'adroitly weigh[ing] the respective claims of the composer and the improviser'.
In New Orleans and Dixieland jazz, performers took turns playing the melody, while others improvised countermelodies. By the swing era, big bands were coming to rely more on arranged music: arrangements were either written or learned by ear and memorized—many early jazz performers could not read music. Individual soloists would improvise within these arrangements. Later, in bebop the focus shifted back towards small groups and minimal arrangements; the melody (known as the "head") would be stated briefly at the start and end of a piece but the core of the performance would be the series of improvisations in the middle. Later styles of jazz such as modal jazz abandoned the strict notion of a chord progression, allowing the individual musicians to improvise even more freely within the context of a given scale or mode. The avant-garde and free jazz idioms permit, even call for, abandoning chords, scales, and rhythmic meters.
[edit] Debates
There have long been debates in the jazz community over the definition and the boundaries of “jazz”. Although alteration or transformation of jazz by new influences has often been initially criticized as a “debasement,” Andrew Gilbert argues that jazz has the “ability to absorb and transform influences” from diverse musical styles. While some enthusiasts of certain types of jazz have argued for narrower definitions which exclude many other types of music also commonly known as "jazz", jazz musicians themselves are often reluctant to define the music they play. Duke Ellington summed it up by saying, "It's all music." Some critics have even stated that Ellington's music was not jazz because it was arranged and orchestrated. On the other hand Ellington's friend Earl Hines's twenty solo "transformative versions" of Ellington compositions (on Earl Hines Plays Duke Ellington recorded in the 1970s) were described by Ben Ratliff, the New York Times jazz critic, as "as good an example of the jazz process as anything out there."
Commercially oriented or popular music-influenced forms of jazz have both long been criticized, at least since the emergence of Bop. Traditional jazz enthusiasts have dismissed Bop, the 1970s jazz fusion era [and much else] as a period of commercial debasement of the music. According to Bruce Johnson, jazz music has always had a "tension between jazz as a commercial music and an art form". Gilbert notes that as the notion of a canon of jazz is developing, the “achievements of the past” may become "...privileged over the idiosyncratic creativity...” and innovation of current artists. Village Voice jazz critic Gary Giddins argues that as the creation and dissemination of jazz is becoming increasingly institutionalized and dominated by major entertainment firms, jazz is facing a "...perilous future of respectability and disinterested acceptance." David Ake warns that the creation of “norms” in jazz and the establishment of a “jazz tradition” may exclude or sideline other newer, avant-garde forms of jazz.
[edit] Etymology of "Jazz"
Main article: Jazz (word)
The origin of the word jazz is one of the most sought-after word origins in modern American English. The word's intrinsic interest—the American Dialect Society named it the Word of the Twentieth Century—has resulted in considerable research, and its history is well-documented. The word began as West Coast slang around 1912, the meaning of which varied but did not refer to music or sex. It came to refer to the music in Chicago around 1915. The music was played in New Orleans prior to that time but was not referred to by that name.
The word jazz makes one of its earliest appearances in San Francisco baseball writing in 1913. Jazz was introduced to San Francisco in 1913 by William (Spike) Slattery, sports editor of the Call, and propagated by a band-leader named Art Hickman. It reached Chicago by 1915 but was not heard of in New York until a year later. One of the first known uses of the word appears in a March 3, 1913, baseball article in the San Francisco Bulletin by E. T. "Scoop" Gleeson
 
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