GPT-6 turns Home Alone's theme into a Bach-style fugue using a 330-skill agent setup
doodlestein · x · 2026-09-18
doodlestein had GPT-6 compose a Bach-style fugue using John Williams' "Somewhere in My Memory" theme from Home Alone as the subject, with multiple voices evolving under counterpoint rules.
His setup combined:
- mtdt, a Rust CLI AI music theory system he built
- An agent skill library of 330 skills
- Melody selection criteria: short, simple, and easy to combine with altered versions of itself at various delays
He's pleased with the result, calling it an ideal mashup for fans of both the movie and Bach. The post is both a striking demo of GPT-6's musical capability and an example of pairing a domain-specific CLI tool with a large skill library.
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