The Jammy Mangos

The Jammy Mangos is a form of music used for entertainment originating in The Impartial Great-White-Shark. The rules of the form are applied by composers to produce individual pieces of music which can be performed. A chanter recites nonsensical words and sounds. The entire performance should be bright and is moderately fast, and it is to be soft. The melody has short phrases throughout the form. Only one pitch is ever played at a time. It is performed in the ezococa rhythm. Throughout, when possible, composers and performers are to make trills.

• The chanter always does the main melody.
• The Jammy Mangos has the following structure: one to two lengthy passages and an additional brief passage possibly all repeated.
• In each of the first simple passages, the chanter's voice ranges from the low register to the middle register. Each passage is performed using the ipila scale.
• In the second simple passage, the chanter's voice stays in the low register. The passage is performed using the oyifolewe scale.
• Scales are constructed from twelve notes dividing the octave. In quartertones, their spacing is roughly 1--x-x-x-x-x-xx-x--x-x-xO, 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.
• The ipila heptatonic scale is constructed by selection of degrees from the fundamental scale. The degrees selected are the 1st, the 2nd, the 3rd, the 4th, the 5th, the 6th and the 8th.
• The oyifolewe heptatonic scale is constructed by selection of degrees from the fundamental scale. The degrees selected are the 1st, the 2nd, the 3rd, the 4th, the 5th, the 8th and the 9th.
• The ezococa rhythm is a single line with twenty-one beats divided into four bars in a 4-5-10-2 pattern. The beat is stressed as follows:
• | - x - - | x - X - x | x X`x x x - x - x x | x x |
• where X marks an accented beat, ` marks a beat as early, x is a beat, - is silent and | indicates a bar.

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