# midi.json This file is used to translate named notes into midi note numbers. # qwerty-uk.json This file maps midi notes (by name) to keys. Key must be a member of Unity KeyCode. https://docs.unity3d.com/ScriptReference/KeyCode.html We need to make one of these for each keyboard and somehow swap based on the keyboard type. # qwerty-uk.piano.json You can make custom mappings per instrument type.