Friday, March 13, 2009

Thursday, March 12, 2009

A technique from Elliot Carter that he called tempo modulation but is commonly called metric modulation.

His term makes more sense. Through a series of meter changes the tempo of a piece is made to change (either faster or slower) in a controlled manner.

In this canon, I have written a tempo modulation that speeds up. First I establish the dotted quarter note beat in 6/8 and then speed up the pulse by moving to a quarter note beat in 2/4. Then I maintain that beat rate but change the beat back to a dotted quarter.

(click on image to enlarge)

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