12tET Equal Temperament 12 notes per octave Ethereal Will Godfrey GPL V 2 or later Very wide ranging Can be interesting as a bass 12tET Equal Temperament 12 notes per octave Ethereal Will Godfrey GPL V 2 or later Very wide ranging Can be interesting as a bass 12tET Equal Temperament 12 notes per octave Ethereal Will Godfrey GPL V 2 or later Very wide ranging Can be interesting as a bass