This link thoroughly describes the musical tetrachord: http://en.wikipedia.org/wiki/Tetrachord
A tetrachord consists of four notes and can be constructed using a specific pattern of intervals. The most common pattern is a series of two whole tones followed by a semitone, resulting in the interval sequence: whole, whole, half (W-W-H). This structure can be mirrored to create a second tetrachord, allowing for various scales in Western music.
A tetrachord is a series of 3 intervals which collectively span the interval of a perfect fourth.
There are two tetrachords in F Major F, G, A, Bb then C, D, E, F
chance music
Based on an octave of 12 semitones, as opposed to a seven-note DIATONIC scale. A chromatic scale consists of an ascending or descending line of semitones. An instrument is said to be chromatic if throughout all or most of its compass it can produce all the semitones. Chromatic, a word ultimately derived from the Greek noun which means "complexion" or "color", and then from the Greek adjective χρωματικός (khrōmatikós; "colored"), may refer to: In music: Chromatic scale, the western-tempered twelve-tone scale. Chromatic chord, chords built from tones chromatically altered from the native scale of the musical composition. Chromaticism, the use of chromatic scales, chords, and modulations. Total chromatic, the use of all twelve pitches of the chromatic scale in tonal music. Chromatic genus, a genus of divisions of the tetrachord characterized by an upper interval of a minor third.Diatonic and chromatic, as a property of several structures, genres, and other features in music, often contrasted with diatonic. http://www.answers.com/chromatic?cat=health
A symmetrical tetrachord in music is one that evenly spaced. This means that the notes of the chord are all the same interval apart.
A tetrachord consists of four notes and can be constructed using a specific pattern of intervals. The most common pattern is a series of two whole tones followed by a semitone, resulting in the interval sequence: whole, whole, half (W-W-H). This structure can be mirrored to create a second tetrachord, allowing for various scales in Western music.
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A tetrachord in music is a series of four notes that form a scale or a segment of a scale. It contributes to the overall structure of a musical composition by providing a framework for melodies and harmonies, helping to establish the tonality and mood of the piece. Tetrachords can be combined and manipulated to create different musical phrases and motifs, adding depth and complexity to the composition.
There are two tetrachords in a diatonic scale. The second tetrachord has the higher four notes. In D major, they are A B C# and D.
A tetrachord is a series of 3 intervals which collectively span the interval of a perfect fourth.
There are two tetrachords in F Major F, G, A, Bb then C, D, E, F
Asthai is the basic and opening part of the raga. It is repeated throughout the alaap. Asthai brings together melody, rhythm and tempo. It has definite form and is repeated from time to time. It offers the raga a framework, a skeleton for the performer to fill in with his improvisation. It generally moves in the lower tetrachord.
The music from Switzerland is folk music, pop music and rock music.
chance music
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Based on an octave of 12 semitones, as opposed to a seven-note DIATONIC scale. A chromatic scale consists of an ascending or descending line of semitones. An instrument is said to be chromatic if throughout all or most of its compass it can produce all the semitones. Chromatic, a word ultimately derived from the Greek noun which means "complexion" or "color", and then from the Greek adjective χρωματικός (khrōmatikós; "colored"), may refer to: In music: Chromatic scale, the western-tempered twelve-tone scale. Chromatic chord, chords built from tones chromatically altered from the native scale of the musical composition. Chromaticism, the use of chromatic scales, chords, and modulations. Total chromatic, the use of all twelve pitches of the chromatic scale in tonal music. Chromatic genus, a genus of divisions of the tetrachord characterized by an upper interval of a minor third.Diatonic and chromatic, as a property of several structures, genres, and other features in music, often contrasted with diatonic. http://www.answers.com/chromatic?cat=health