Zen Piano doesn't host a MIDI catalog and it isn't trying to. Find the file somewhere else, check the source page, download it, then bring the `.mid` or `.midi` file into Zen Piano to convert and practice.
Pick a source by what you need
| You want | Try | Catalog size | Quality | Trade-off |
|---|---|---|---|---|
| Fast, broad search | BitMidi | ~113,000 files | Uneven. It's a historical dump of web-era MIDIs, not curated, so file quality varies title to title | Huge catalog, but rights info is thin |
| Backup broad catalog | FreeMidi | Not published | Similar mixed bag to BitMidi, no strong quality signal either way | Worth a check if BitMidi comes up empty |
| Clear rights, classical focus | Mutopia Project | ~2,100 works | High. Every file is generated from notation source, so the MIDI is clean and converts predictably | Smaller library, but everything is rights-labeled with score context |
| Deeper classical/counterpoint | Kunst der Fuge | ~19,300–20,000+ files | Good. Files are legally published with rights-holder permission, but the site limits reuse to personal use | Narrow focus, good for repertoire digging |
| Game soundtracks | VGMusic | ~31,800 files | High for its niche. Uploads are vetted — no ROM-rips, no converted game assets accepted | Only useful if you're after game music specifically |
| Score or MusicXML context | MuseScore | ~2.6M community scores, plus 1.3M official licensed scores | Mixed. Official scores are clean; community uploads vary, and MIDI export is secondary to notation | Great for arrangements, but access depends on the uploader and sometimes an account |
| Community catalog with points system | MidiShow | ~237,000 files | Good. Files carry real technical metadata (GM standard, MIDI type, track count), which is rare elsewhere | Worth it for variety, but you'll trade time for a points/account system |
| Serious classical repertoire | Classical Archives | 1M+ classical files sitewide (MIDI is a subset) | High. Curated, with Type 0/1 MIDI clearly labeled | Deepest catalog here, gated behind a subscription |
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HamieNET and MIDIWORLD are still out there and still work, but catalog size isn't published for either, quality control looked shaky during research (HamieNET showed a maintenance interstitial; MIDIWORLD's stated genre policy doesn't match what's actually on the site), and they're worth checking only after the sources above.
Before you open `/convert`
- Download the actual file. Look for a direct `.mid` or `.midi` link, not just a streaming preview.
- Read the source page. Title, uploader notes, and any rights label tell you more than the search result does.
- Grab score/MusicXML context if it is offered. Some sites (MuseScore especially) give you notation alongside the MIDI — worth having before you convert.
- Open `/convert`, load the file, check the notation, then head to `/play`.
That's it — Zen Piano picks up once you already have the file on your machine.