Instructions for configuring a Raspberry Pi 3B or 4 as a portable, headless, ultra-low latency MIDI synthesizer using the FluidSynth synthesizer.
A non-exhaustive list of chord shapes that are possible under the Wicki-Hayden button layout.
A non-exhaustive list of scales and mode patterns that are possible under the Wicki-Hayden button layout.
An excellent baroque recorder fingering chart, courtesy of Barnaby Walters at https://waterpigs.co.uk/
Various ideas for intuitive finger drumming MIDI note assignment on a 4x4 button grid.