MIDI Notes Player
Play MIDI note sequences in your browser with 50+ instruments
Visit mayerwin.github.io ↗What is MIDI Notes Player?
A browser-based tool for playing sequences of MIDI notes using multiple instrument sounds. Users can input notes as MIDI numbers (0–127), standard notation (C4, Eb5), or solfège syllables with optional octaves and any separator format. The interface includes tempo and duration controls, real-time validation, and keyboard shortcuts for playback.
The app supports over 50 General MIDI instruments via SoundFont samples and comes with Für Elise pre-loaded as a demo. The maker built it with Claude Opus 4.6 using Claude Code, generating the complete Vite application, note parser, Web Audio playback, and GitHub Actions deployment in a single prompt.
Momentum
Daily activity over the last 30 days: upvotes, unique visits, new GitHub stars and Hacker News points.
How do we know it's vibe coded?
vibetrend discovered MIDI Notes Player automatically. Evidence: HN post: "I one-shotted this app with Claude Opus 4.6 (Claude Code in VS Code), from idea to deployed". View source.
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