For track three I chose Jackson Pollock's Autumn Rhythm (Number 30). From the beginning of this project I knew I wanted to do a Pollock painting and see how we could distill the distinctive visuals into audio form.
So here's the tech update from Greg:
"For the Jackson Pollock we used a similar approach as before, generating a chord based on each pixel. We were inspired by the painting to develop a more random algorithm for this piece.
Here are the basics:
1. Read the image into a list of pixels, where each pixel comprises three numbers, a value for red, green, and blue.
2. Shuffle the list of pixels into a random order.
3. For each pixel in the shuffled list, derive notes based on the value of the red component of the pixel where midiNote = pixel.red / 2. The value of midiNote is between 0 and 127. The value for a pixel is between 0 and 255.
4. For each pixel in the shuffled list, derive notes based on the value of the green component of the pixel.
5. For each pixel in the shuffled list, derive notes based on the value of the blue component of the pixel.
6. For each note in the red, green, and blue note lists, create a chord of three notes [red, green, blue].
Because the algorithm randomly shuffles the pixels in the image, the MIDI generated will be different for each execution of the program.
On a tech note, I've switched programming languages from Kotlin to Haskell - mostly because I am interested in learning more Haskell.
If you want to look at the source code then I've made it publicly available here: https://bitbucket.org/gregorydavidlong/imagetosoundhaskell/src
My plan is to continue iterating on this code base for the remaining pieces on the album."
And back to me. Greg gave me 3 amazing pieces of midi to play around with (one for each of red, blue and green), and in it's entirety they about 9 hours long each (don't panic, the piece I'm working on is only around 4 min!). I wanted my piece of music to reflect what I perceive to be the chaotic nature of Pollock's painting, but also reflect the beauty of this painting as a whole and they way it feels balanced, organised and beautiful.
Here is a sample of the midi that Greg gave me (this is the 3 midi 'colours' playing concurrently):
And here is an excerpt of the piece that I've written. You'll see I've basically left the midi to play out, and I've added some simple minimal piano over the top.