This is called the "principle of explosion" or "ex falso quodlibet" ("from falsity, anything follows"). In this case one must also add as a primitive rule "ex falso quodlibet". The work itself is a loosely structured quodlibet for SATB and continuo. Italian (Quodlibet) and Spanish (Akal) translations are in press. In 2000 he founded the mixed voice quintet "Quodlibet", with which he made three albums. Quodlibet is a musical form that combines several different melodies. Quodlibet is played in many variations that deviate in their details from the above description.