One of the first programs I ever wrote did basically this--took an expansion of pi and made midi files out of it. It took a scale parameter, so you could give i

One of the first programs I ever wrote did basically this--took an expansion of pi and made midi files out of it. It took a scale parameter, so you could give it a minor or major key (or any of the modes). I found it interesting to listen to because my ear naturally looked for patterns, and occasionally found one only to have it ruined by the next bar.