Saturday, March 26, 2005

Bumper Music for today

Today's work is 46 seconds of modulations between the keys of:
  • F 4/3 minor: F 4/3, G 16/11, A 8/5, B 16/9, C 1/1, D 8/7
  • A 8/5 major: A 8/5, B 9/5, C 1/1, D 11/10, E 6/5, G 7/5
  • C 1/1 major: C 1/1, D 9/8, E 5/4, F 11/8, G 3/2, B 7/4
  • A 5/3 minor: A 5/3, B 20/11, C 1/1, D 10/9, E 5/4, F 10/7
There are lots of notes in common between these keys, but some that are just a bit off. For example, the F 4/3 minor includes A 8/5 as the minor third, which is the root of the next scale.

But the B 16/9 in F is altered to B 9/5 in A. This is a ratio of 81:80. The B has to move this amount when I modulate from F to A, an almost inperceptible change. There are others as well. Note the move of B 9/5 in A major, to B 7/4 in C major. This is a move of 35:36. And also B 20/11 in A minor to B 16/9 in F minor, a move of 44:45. The melody will exploit these changes, when I get around to writing it.

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This is a work in progress...

Sunday, March 20, 2005

Bumper Music

More in the key of F 4/3 minor. This is a just intonation scale, with the following ratios:
  • F 4/3 - the root of the scale
  • G 16/11 - a very sour second
  • A 8/5 - a nice solid just minor third - very say
  • B 16/9 - a standard fourth, 4/3 above the root
  • C 1/1 - a standard fifth, 3/2 above the root
  • D 8/7 - a sour sixth or seventh, depending on the leading tones
I added some cowbell, in honor of the pod daddy...

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This is a work in progress...

Friday, March 18, 2005

Bumper Music for today

Today's entry is a unison pattern, but the octaves change a lot. It's in a variety of time signatures, switching from 6 beats of one duration to 9 beats of a faster duration every other measure. It makes for the feeling of being stuck in a washing machine. Thanks to the use of Csound as a generating tool, no one misses a beat. Lots of cymbols adds to the chaotic feeling. Some glissandi.

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This is a work in progress...


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