The Fruitful Persimmon Rhythm

The Fruitful Persimmon-Rhythm is a devotional form of music originating in The Chronic Barbarity. The form guides musicians during improvised performances. A chanter recites nonsensical words and sounds while the music is played on a digrabstux and two estroslez. The musical voices cover melody, harmony and rhythm. The entire performance is at a walking pace. The melody has long phrases throughout the form. It is performed using the ragu scale and in the obst rhythm. Throughout, when possible, performers are to play legato.

• The Fruitful Persimmon-Rhythm has a well-defined multi-passage structure: a theme, a bridge-passage and one to two series of variations on the theme.
• The theme is voiced by the melody of the digrabstux, the melody of the estroslez and the rhythm of the chanter reciting nonsensical words and sounds. The passage should be spirited, and it is to be very soft. Each of the estroslez stays in the wispy high register and the chanter's voice covers its entire range. This passage typically has some sparse chords.
• The bridge-passage is voiced by the melody of the chanter reciting nonsensical words and sounds and the rhythm of the estroslez. The passage should be melancholic, and it is to fade into silence. The chanter's voice stays in the low register and each of the estroslez covers its entire range from the dark low register to the wispy high register. This passage features only melodic tones and intervals.
• Each of the series of variations is voiced by the melody of the digrabstux and the harmony of the estroslez. Each passage should feel mysterious, and it is to start loud then be immediately soft. Each of the estroslez covers its entire range from the dark low register to the wispy high register. This passage features only melodic tones and intervals.
• Scales are constructed from fifteen notes dividing the octave. In quartertones, their spacing is roughly 1-xx-x-x-x-x-xxx-x-xx-xxO, where 1 is the tonic, O marks the octave and x marks other notes. The tonic note is fixed only at the time of performance. Every note is named. The names are nadu (spoken na), daxst (da), uturo (ut), masul (ma), axslor (ax), bagurod (ba), sastospu (sa), assna (as), xuzestra (xu), roxstat (ro), tekug (te), odo (od), obungasnu (ob), strob (stro) and kestraruga (ke).
• The ragu heptatonic scale is constructed by selection of degrees from the fundamental scale. The degrees selected are the 1st, the 3rd, the 4th, the 8th, the 9th, the 11th and the 13th.
• The obst rhythm is a single line with twenty-seven beats divided into four bars in a 7-9-5-6 pattern. The beat is stressed as follows:
• | x - - x x - x | - x x`- x x - x x | - x - x - | - x - x x - |
• where ` marks a beat as early, x is a beat, - is silent and | indicates a bar.

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