Solo piano improvisations in the Lydian mode for all 12 keys, following the circle of fourths. *** The purpose of the exercise was to see what I could do manually as an improvisation using a constraint (the Lydian Mode), then create an algorithm to do the same thing. Musical improvisation is one of the highest forms of free will. It will show what is pure free will, simply playing anything on the piano for example. Someone who knows how to play will make some kind of coherent music. Someone who has hardly touched a piano may play on the black keys. The acid test is whether it has musical value. AI could be used to do the same thing and would sound like music, as it has a basic instruction. In contrast, the programming to do the same thing seems completely unrewarding. Even though my piano skills are mediocre, and my implicit knowledge of music well-developed, the music that is human-made is good enough for me. If a non-musician can do it bette...