12tET Equal Temperament 12 notes per octave Metal Drips Will Godfrey GPL V 2 or later Works best mid range high velocity 12tET Equal Temperament 12 notes per octave Soft Vibes Will Godfrey GPL V 2 or later Originally derived from Paul's Bells 3 12tET Equal Temperament 12 notes per octave Fantasia Will Godfrey GPL V 2 or later Derived from one of Paul's Bells voices