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Jazz improvisation is the spontaneous invention of melodic solo lines or accompaniment parts in a performance of jazz music. It is one of the defining elements of jazz. Improvisation is composing on the spot, when a singer or instrumentalist invents melodies and lines over a chord progression played by rhythm section instruments (piano, guitar ...
For instance, in example one above (C 7 ♯ 9) the triad of E ♭ major is a (compound) minor 3rd away from C (root of the bottom chord). Thus, this upper structure can be called upper structure flat three, or US ♭ III for short. Other possible upper structures are: USII – e.g. D major over C 7, resulting in C 13 ♯ 11
The last two bars, played with overlapping hands, are a denser cluster. A tone cluster is a musical chord comprising at least three adjacent tones in a scale. Prototypical tone clusters are based on the chromatic scale and are separated by semitones. For instance, three adjacent piano keys (such as C, C ♯, and D) struck simultaneously produce ...
Charlie Banacos (August 11, 1946 – December 8, 2009 [1]) was an American pianist, composer, author and educator, concentrating on jazz . Banacos created over 100 courses of study for improvisation and composition. His concepts of teaching and his courses influenced educators since the late 1950s. He was the original author of courses named ...
In jazz, comping (an abbreviation of accompaniment; [ 2] or possibly from the verb, to "complement") is the chords, rhythms, and countermelodies that keyboard players ( piano or organ), guitar players, or drummers use to support a musician's improvised solo or melody lines. It is also the action of accompanying, and the left-hand part of a solo ...
The tritone substitution is a common chord substitution found in both jazz and classical music. Where jazz is concerned, it was the precursor to more complex substitution patterns like Coltrane changes. Tritone substitutions are sometimes used in improvisation —often to create tension during a solo.
C-flat major is the home key of the harp, with all its pedals in the top position, and it is considered the most resonant key for the instrument.Thus, in Richard Strauss's Ein Heldenleben, the first cue for the harps is written in C-flat major even though the rest of the orchestra, having previously played in E-flat major, retains a 3-flat key signature and is now playing in B major, marked ...
Blue note. In jazz and blues, a blue note is a note that—for expressive purposes—is sung or played at a slightly different pitch from standard. Typically the alteration is between a quartertone and a semitone, but this varies depending on the musical context.