Play notes with your keyboard
When WebMIDICon is focused, you can use these keys to play MIDI notes with your QWERTY keyboard. There are 2 keymaps available.
Isomorphic Keymap
The isomorphic keymap is based on the B-system chromatic button accordian layout.
The idea is that for any given key…
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The key on the top right is whole tone up.
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The key on the bottom right is semitone up.
Using this system, you can combine semitones and whole tones to create any musical interval. It lets you play in any key without changing the fingering, and it uses the keyboard more efficiently, allowing you to reach more notes.
Transpose
The keys marked as green are used for setting the transpose option. This lets you quickly change keys.
Sustain pedal
You can hold down the Space key to activate the sustain pedal.