Tweak your chord progressions for practice or composition
I'm excited to share with HN a new pet project I've been working on to explore how AI can create and explain harmonic chord progressions - Chord Variations. The project uses GPT-4 to generate unique and interesting chord combinations based on user input chord progression. It's akin to having a virtual musical assistant that can help non-musicians and musicians alike explore and create harmonious sound without needing any prior knowledge of music theory. The generated chord suggestions maintain a similar vibe to the user input. Alternative chord progression includes extended chords, chord…
Tweak your chord progressions for practice or composition launched on June 27, 2023 with 78 votes, #1,037 of 4,655 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 3 years on.
In plain words
Chord Variations is an AI tool that generates alternative chord progressions based on user input, using GPT-4 to create unique combinations while maintaining a similar musical feel. It offers extended chords, substitutions, and passing chords alongside music theory explanations, making it useful for both musicians and non-musicians. The tool helps users explore harmonic possibilities for practice or composition without requiring prior music theory knowledge.
written from the facts on this page · September 2026
From the sources
Max chords: 5 Click red button to remove chord. Might take a minute for generation tofrom chord-alt.vercel.app
In the maker’s words, at launch
I'm excited to share with HN a new pet project I've been working on to explore how AI can create and explain harmonic chord progressions - Chord Variations. The project uses GPT-4 to generate unique and interesting chord combinations based on user input chord progression. It's akin to having a virtual musical…
Does a similar job
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I made a tool for learning scales, chords, and how to combine themMay 2026 · projects.alesh.com · ▲36This started out when I vibe-coded a guitar scale fingering generator. It came out pretty good, and I started adding stuff to it: chords, then how chords and scales interact. Then I added charts for other instruments I mess around with: piano, cello, alto recorder. There's a complexity toggle to go from basic harmony to extended/experimental stuff. It's honestly still mostly a toy, but I thought other people might be interested in playing with it. Source is on github, so it's easy enough to run locally and fork. https://github.com/aleshh/gtr-scales
- ASA simple web game to help learn chords and basic progressions2024 · chords.yottanami.com · ▲215
Hi Hacker News, I've created Chord Nebula, a simple web-based game designed to help users learn and practice piano chords, basic progressions, and harmony fundamentals. The game integrates with MIDI keyboards, allowing you to play chords in real-time and receive immediate feedback based on the key you choose. GitHub Repository: https://github.com/yottanami/chord_nebula Live Demo: https://chords.yottanami.com Requirements: To use Chord Nebula, you'll need a MIDI keyboard connected to your computer. Current Status: Chord Nebula is still a simple project. I'm…
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