The exercise is to decide whether the question accepts the proposed suggestion as a correct answer. If yes, write "True", otherwise write "False".
Question: what composer used sound mass
Suggestion: A very early example is the opening of Jean-Féry Rebel 's ballet Les Elémens (1737–38), where chaos is represented by a gradually cumulating orchestral cluster of all seven notes of the D minor scale (Henck 2004, pp. 52–54).
