ChordAce works best in Google Chrome and Opera. If you can't get your midi keyboard to work, try using one of those browsers.
If you don't have a midi-keyboard connected you can use your computers keyboard, but a midi keyboard is recommended.
This app is made by Morten Vestergaard and Webfar using Vanilla JavaScript with Tonal.js, Howler.js and VexFlow.
Have fun learning and teaching!
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