Tuesday, March 31, 2009

Canon at the fifth on a blues scale

This is the scale that I used for today's canon:

C Eb E F G Bb B C

Since this scale has two equal tetrachords (m3, m2, m2) it is conducive to a canon at the fifth. However, when the range of the melody exceeds the fourth that contains that tetrachord, the intervals are no longer exact.

Rather than considering that to be a liability, I've taken advantage of it to provide a bit more variety than I would have otherwise gotten.

(click on image to enlarge)

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