Bass ( BAYSS) (also called bottom end) describes tones of low (also called "deep") frequency, pitch and range from 16 to 256 Hz (C0 to middle C4) and bass instruments that produce tones in the low-pitched range C2-C4. They belong to different families of instruments and can cover a wide range of musical roles. Since producing low pitches usually requires a long air column or string, and for stringed instruments, a large hollow body, the string and wind bass instruments are usually the largest instruments in their families or instrument classes.
Atonality in its broadest sense is music that lacks a tonal center, or key. Atonality, in this sense, usually describes compositions written from about the early 20th-century to the present day, where a hierarchy of harmonies focusing on a single, central triad is not used, and the notes of the chromatic scale function independently of one another. More narrowly, the term atonality describes music that does not conform to the system of tonal hierarchies that characterized European classical music between the seventeenth and nineteenth centuries. "The repertory of atonal music is characterized by the occurrence of pitches in novel combinations, as well as by the occurrence of familiar pitch combinations in unfamiliar environments".
Bebop or bop is a style of jazz developed in the early-to-mid-1940s in the United States. The style features compositions characterized by a fast tempo, complex chord progressions with rapid chord changes and numerous changes of key, instrumental virtuosity, and improvisation based on a combination of harmonic structure, the use of scales and occasional references to the melody.
Henry Dixon Cowell was an American composer, writer, pianist, publisher and teacher. Earning a reputation as an extremely controversial performer and eccentric composer, Cowell became a leading figure of American avant-garde music for the first half of the 20th century — his writings and music serving as a great influence to similar artists at the time, including Lou Harrison, George Antheil, and John Cage, among others. He is considered one of America's most important and influential composers.
The Tides of Manaunaun is a short piano piece in B♭ minor by American composer Henry Cowell (1897–1965). It premiered publicly in 1917, serving as a prelude to a theatrical production, The Building of Banba. The Tides of Manaunaun is the best known of Cowell's many tone cluster pieces.
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Harry Partch was an American composer, music theorist, and creator of unique musical instruments. He composed using scales of unequal intervals in just intonation, and was one of the first 20th-century composers in the West to work systematically with microtonal scales, alongside Lou Harrison. He built custom-made instruments in these tunings on which to play his compositions, and described the method behind his theory and practice in his book Genesis of a Music (1947).
In music, an ostinato is a motif or phrase that persistently repeats in the same musical voice, frequently in the same pitch. Well-known ostinato-based pieces include both classical compositions, such as Ravel's Boléro and the Carol of the Bells, and popular songs such as Donna Summer and Giorgio Moroder's "I Feel Love" (1977), Henry Mancini's theme from Peter Gunn (1959), The Who's "Baba O'Riley" (1971), and The Verve's "Bitter Sweet Symphony" (1997).
Leo Ornstein was an American experimental composer and pianist of the early twentieth century. His performances of works by avant-garde composers and his own innovative and even shocking pieces made him a cause célèbre on both sides of the Atlantic. The bulk of his experimental works were written for piano.
Boléro is a one-movement orchestral piece by the French composer Maurice Ravel (1875–1937). Originally composed as a ballet commissioned by Russian actress and dancer Ida Rubinstein, the piece, which premiered in 1928, is Ravel's most famous composition.
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 struck simultaneously produce a tone cluster. Variants of the tone cluster include chords comprising adjacent tones separated diatonically, pentatonically, or microtonally. On the piano, such clusters often involve the simultaneous striking of neighboring white or black keys.
In music, extended chords are certain chords or triads with notes extended, or added, beyond the seventh. Ninth, eleventh, and thirteenth chords are extended chords. The thirteenth is the farthest extension diatonically possible as, by that point, all seven tonal degrees are represented within the chord. In practice however, extended chords do not typically use all the chord members; when it is not altered, the fifth is often omitted, as are notes between the seventh and the highest note, unless they are altered to give a special texture.
Beethoven's Piano Sonata No. 21 in C major, Op. 53, known as the Waldstein, is one of the three most notable sonatas of his middle period. Completed in summer 1804 and surpassing Beethoven's previous piano sonatas in its scope, the Waldstein is a key early work of Beethoven's "Heroic" decade (1803–1812) and set a standard for piano composition in the grand manner.
Claude Debussy's Reflets dans l'eau is the first of three piano pieces from his first volume of Images, which are frequently performed separately. It was written in 1905. As with much of Debussy's work, it is referred to as Impressionistic, meaning that it expresses emotions and senses by making use of non-functional harmony and ambiguous key signatures, its tonality being mainly non-diatonic and usually having a sense of modality.
Out of Doors is a set of five piano solo pieces, Sz. 81, BB 89, written by Béla Bartók in 1926. Out of Doors is among the very few instrumental compositions by Bartók with programmatic titles.
The Mephisto Polka is a piece of program music written in folk-dance style for solo piano by Franz Liszt in 1882–83. The work's program is the same as that of the same composer's four Mephisto Waltzes, written respectively in 1859–60, 1880–81, 1882 and 1885 and based on the legend of Faust, not by Goethe but by Nikolaus Lenau (1802–50). The following program note, which Liszt took from Lenau, appears in the printed score of the Mephisto Waltz No. 1:
There is a wedding feast in progress in the village inn, with music, dancing, carousing. Mephistopheles and Faust pass by, and Mephistopheles induces Faust to enter and take part in the festivities. Mephistopheles snatches the fiddle from the hands of a lethargic fiddler and draws from it indescribably seductive and intoxicating strains. The amorous Faust whirls about with a full-blooded village beauty in a wild dance; they waltz in mad abandon out of the room, into the open, away into the woods. The sounds of the fiddle grow softer and softer, and the nightingale warbles his love-laden song.
"Bethena, A Concert Waltz" is a composition by Scott Joplin. It was the first Joplin work since his wife Freddie's death on September 10, 1904 of pneumonia, ten weeks after their wedding. At the time the composer had significant financial problems; the work did not sell successfully at the time of publication and was soon neglected and forgotten. It was rediscovered as a result of the Joplin revival in the 1970s and has received acclaim from Joplin's biographers and other critics. The piece combines two different styles of music, the classical waltz and the rag, and has been seen as demonstrating Joplin's excellence as a classical composer. The work has been described as "an enchantingly beautiful piece that is among the greatest of Ragtime Waltzes", a "masterpiece", and "Joplin's finest waltz".
The chord-scale system is a method of matching, from a list of possible chords, a list of possible scales. The system has been widely used since the 1970s and is "generally accepted in the jazz world today".
The Sonatine (Sonatina) for violin and piano is a chamber music composition by Karlheinz Stockhausen, written while he was still a student in 1951. It carries the work-number ⅛ in his catalogue of works.
Woodland Sketches, Op. 51, is a suite of ten short piano pieces by the American composer Edward MacDowell. It was written during an 1896 stay at MacDowell's summer retreat in Peterborough, New Hampshire, where each piece was inspired by a different aspect of the surrounding nature and landscape. The suite was first published in 1896, with pieces such as "To a Wild Rose" and "To a Water-lily" becoming some of MacDowell's most popular works. While some pieces are notable for their use of impressionistic techniques in depicting the New England wilderness, others are based on elements from Native American and Southern music. Woodland Sketches is considered by critics and historians to contain some of MacDowell's most skillful and distinctive works.
