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David L. Harper
David L. Harper

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Atonal Fugue

GitHub Copilot CLI Challenge Submission

This is a submission for the GitHub Copilot CLI Challenge.

What I Built

I set out to explore how far GitHub Copilot CLI could take me when building a complex, music composition tool. The result is a heavyweight interface that streamlines complex tasks and reduces the friction between idea and execution.

It’s intentionally complex— something you can run, test, and iterate on instantly creating atonal fugues— but it still carries the spark of experimentation that makes these challenges fun.

Demo

You can find the project here:

[https://github.com/Vonias/Portfolio-and-Music-Analyzer/tree/master]

To show it in action, I’ve included:

  • A short walkthrough of the simplest composition
  • Screenshots of the musical interface
  • A generator that creates an example of atonal fugue

Link to tutorial video:

https://youtu.be/prgtFHOEj1U

My Experience with GitHub Copilot CLI

Working with GitHub Copilot CLI felt like pairing with a teammate who specializes in removing friction. I used it to:

  • Scaffold commands and boilerplate faster than I could type them
  • Generate and refine shell snippets
  • Explore alternative approaches when I hit a dead end
  • Keep momentum by offloading repetitive or mechanical tasks

The biggest impact wasn’t speed alone — it was the sense of flow. Copilot CLI let me stay inside the design process, inside the idea, without constantly switching contexts.


Thanks for reading, and thanks to the GitHub Copilot team for hosting the challenge.

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