From "The Improving Musician", this is a great resource for teachers to reference for each tonality. It provides convenient information on what to chords to use to harmonize while singing songs in all tonalities. It also shows the tonal sequence for each tonality for when you are establishing tonality whilst in verbal association.
This is a PDF "cheat sheet" for the functions in Groovy music. This document provides keyboard shortcuts, explains limitations and features for each theme in Groovy music.