The Ultimate Piano

What it does

Most piano apps require a download. The Ultimate Piano runs entirely in your browser — play instantly with your MIDI keyboard, mouse, or touch. Stand-out feature: create piano chord charts for teaching materials. Highlight notes, add fingering numbers, use two colors to show chord structure, and export as PNG up to 4x resolution. Generate full chord progression diagrams in one click. Also: ear training, falling notes, OBS streaming overlay, and metronome with speed training.

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  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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