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The rajazz theory offers a new way of structuring musical material. It consists of a few simple rules which, when combined, lead to a new way of managing modes. The resulting perception is characteristic. The system can be applied in different ways and provides new tools for composers and improvisers.
Rajazz comprises 155 pentatonic modes organized into 31 groups of five related modes. The musical material, limited to five notes per mode, is considered invariant—as in Indian ragas—but can be transposed by creating “reflections” of the same mode from each of the 12 possible tonics. In order to slide into one of these transpositions, a “pivot” interval is used, which must be common to all in order to act as a hinge. This results in new ways of organizing the musical material.