Tihai
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The tihai (pronounced tee-hi) is a poly-rhythmic devise originating from Indian classical music. The basic format of the tihai is 3 equal repetitions of a rhythmic pattern, intersperesed with 2 equal rests, and all five components adding up to the number of beats in the phrase.
For example if the phrase is sixteen beats long, the outline of a tihai might look like: 4 2 4 2 4. each 4 represents a pattern that is four beats long and each 2 represents a rest that is two beats long. 4+2+4+2+4=16 so that on the start of the next phrase is exactly on the downbeat. another example might be 2 5 2 5 2 in a sixteen beat phrase. two beats of rhythm with five beats of rest between.
Tihai's may be employed in any length of phrase as long as the rules are followed. 1. there must be three groupings of playing, all of equal length 2. these must be alternated with 2 groupings of rest, both of equal length 3. the pattern must land the player back on the downbeat-- ready to start the next phrase.
[edit] western use
Modern western composers have also employed this technique. One example is Daniel Levitan's [1] percussion duet First Invention Copyrighted in 2006 and premiered at the University of Colorado in Boulder, CO.
[edit] other links for Indian rhythm
Tihais are closely related to Indian Music's Talas [2] or rhythmic fundamentals.
wikipedia main article on talas [[3]]