This digital download includes a CSV database and PDF file of printable flashcards. Use the database for more projects, a scale randomizer, a calculator, or something else! In my opinion, music students should have all of this information memorized in order to maximize efficiency in practice and music theory knowledge. The cards include: 
Side 1: Key
Side 2: Key signature, relative key, enharmonic key (if applicaple), dominant, and triad spelling.