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June Gloom – more variety

This is a work in progress. Today I modified the amplitude, octaves, tempos, and added a cello and tuba to the mix.

The point of my recent music is choosing from several six note combinations from a ten note undertone scale. Some are very easy on the ears, and some are challenging. See if you can tell which is which.

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This is a work in progress. I’m working on some ways to have each instrument play the melody slightly differently. They all have the general concept, but each is different in different ways. This is the first attempt. It’s very rough, but a good start beats no start, every day.
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Blue Sky/Black Crow #4

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Here’s a final version of the piece I’ve been working on lately. It’s scored for bass finger piano and lots of Ernie Ball Super Slinky Guitar string samples. The tuning is taken from a mostly utonal scale, but only six notes at a time. Here’s the 10 notes in the scale, from which six note modes are pulled. The numbers across the top are the scale degrees out of the 10 available (actually only 10 in this case), and the next row is the 72-EDO note numbers.

And here are the six note chords that are used. The numbers to the left are the scale degrees out of the 10 available:

Notice that some of the ratios are conventional just major and minor triads. Others are much more xenharmonic. The Bb major and C minor are in the former category, sounding very consonant and easy on the ears. The B neutral and C supermajor are more challenging. When they come around, you know that something unusual is at work.

The piece steps through the chords in a progression twice, in the following order. Sometimes the chords are taken two at a time, sometimes only one. And sometimes they move from one to another in a slide.

One of the most attractive parts of this scale is the wide range of consonance to dissonance, from 12-tone-equal sound to xenharminoc. All from only 10 unique pitches.

The format of the piece is that I only change the six notes that are input to the process, and the randomizer picks the notes to play. For example, it can chose a chord that slides from the first chord to the second, in one of a number of inversions, or trills, or straight chords, or many other combinations. For example, the piece might call for the strings to play a chord, and slide to the next one:

.chox-0-b01a &pre-&n5..&slivd-&n5.-&n4.. &preu-&n5.-&n1..&slivd-&n1.-&n6.. &preu-&n1.-&n3..&slivd-&n3.-&n2.. .chox-0-b01b &pre-&n4..&slivu-&n4.-&n5.. &preu-&n4.-&n6..&slivu-&n6.-&n1.. &preu-&n6.-&n2..&slivu-&n2.-&n3.. .chox-0-b01c &pre-&n5..&slivu-&n5.-&n6.. &preu-&n5.-&n1..&slivu-&n1.-&n2.. &preu-&n1.-&n3..&slivu-&n3.-&n4.. .chox-0-b01d &pre-&n6..&slivd-&n6.-&n5.. &preu-&n6.-&n2..&slivd-&n2.-&n1.. &preu-&n2.-&n4..&slivd-&n4.-&n3.. .chox-0-b01e &pre-&n5..&slivd-&n5.-&n4.. &pred-&n5.-&n3..&slivd-&n3.-&n2.. &pred-&n3.-&n1..&slivd-&n1.-&n6..

This is called from the string section:

.strx-16-a01a d4r0 &str1-ran*.d4h5z0e1&chox-0-a*. .strx-16-a01b d2h9z0e1v-3&chox-0-a*.d12 .strx-16-a01c d0h32e13v-5&chox-0-b*.d16

Which in turn is called by the individual string parts:

.all-72-a02 &vel.d72r0 &str1.&strx-72-a01*. &str2.&strx-72-a01*. &str3.d72r0 &str4.d72r0 .all-72-a04 &vel.d72r0 &str1.&strx-72-a01*. &str2.&strx-72-a01*. &str3.&strx-72-a01*. &str4.d72r0 .all-72-a03 &vel.d72r0 &str1.&strx-72-a01*. &str2.&strx-72-a01*. &str3.&strx-72-a01*. &str4.&strx-72-a01*.

And I start it all off by calling

&all-72-a0*.

I set the notes to specific 72 EDO tones here:

.Bb-maj1 .n1 2x .Bb-maj2 .n2 3x .Bb-maj3 .n3 5x .Bb-maj4 .n4 7x .Bb-maj5 .n5 9x .Bb-maj6 .n6 1x .Bb-majb1 .bass1 9x .Bb-majb2 .bass2 5x .Bb-majn1 .nn1 7x .Bb-majn2 .nn2 8x .Bb-majn3 .nn3 9x .Bb-majn4 .nn4 Ax .Bb-majn5 .nn5 3x .Bb-majn6 .nn6 4x .Bb-majbn1 .bassn1 3x .Bb-majbn2 .bassn2 9x .Bb-maj &Bb-maj1.&Bb-maj2.&Bb-maj3.&Bb-maj4.&Bb-maj5.&Bb-maj6.&Bb-majb1.&Bb-majb2.&Bb-majn1.&Bb-majn2.&Bb-majn3.&Bb-majn4.&Bb-majn5.&Bb-majn6.&Bb-majbn1.&Bb-majbn2.

I do that for all the keys. Then I just have to call the macro to set them all to the right notes.

&Bb-maj.

That sets &n1. to 2, &n2. to 3, &n4. to 7, and so forth. When it goes through the preprocessor, it resolves all that code into Csound input files. Full source code here:

Input to preprocessor.

input to Csound, output from preprocessor

Blue Sky/Black Crow

This is a work in progress. Today’s installment includes many more types of chords. Very slippery notes. The chord changes are derived from the undertone scale I’ve been working with lately.

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This is a work in progress. Today’s installment is my first attempt at a 60 second piece for the 60×60 untwelve mix. It’s scored for six guitars tuned to 72 EDO playing the a set of chords based on the undertone series. I’m just over 60 seconds at this point.
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Black Crow-Blue Sky

This is a work in progress. I’m playing with the bridge changes. After a vamp on G minor to Ab major we have the following:

  • Eb major
  • Bb major
  • F minor
  • C minor
  • B supermajor
  • Bf major

Then back to the G minor to Ab major. Of course they are not really those keys. They are taken from the scale pictured here:

The title is taken from a picture I took Sunday evening on the deck looking up at the wonderful blue spring sky. It’s been hidden above the clouds since about September of last fall, and the clouds parted for a nice weekend, before returning this morning. Note the stick in the crow’s beak. They’ve been building a nest in the trees furiously.

Play it here
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