This, from Daniel Kramlich, almost a doctorate from Indiana U. in theory, and just completing a DMA in composition at Univ. of Houston. Perfect Intervals The fifth and fourth are the first two intervals in the overtone series that are not repetition of another note. They are fundamental consonances that do not change quality in both major and minor scales. Other relationships change in the major/minor shift. However, says he, the second, which doesn't change, does pose a bit of a problem. When fifths and fourths invert, they revert to like intervals (i.e. perfect) but major seconds become minor sevenths, major thirds, minor sixths, and major sixths, minor thirds. Perfect intervals form the smallest numbers in the overtone ratios. 1:1 -unison 2:1 -octave 3:2 -fifth 4:3 -fourth, les bartlett houston ________________________________________________________________ YOU'RE PAYING TOO MUCH FOR THE INTERNET! Juno now offers FREE Internet Access! Try it today - there's no risk! For your FREE software, visit: http://dl.www.juno.com/get/tagj.
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