A creative tool that can be used in any number of ways: they bring the element of chance into the musical process. They can be used in composing Aleatory and 12 tone-music, or as a basis for improvisation; they’re fun in a jam session. They also make an effective study tool: they can be used as “musical flash cards” when learning harmony, and their randomness makes for fresh and challenging exercise in sight-singing and ear training.
{ via my Brother }