Eliott Carter was an American composer, whose personal harmonic and rhythmic language led to the invention of the term metric modulation. The latter describes frequent, precise tempo changes. In David Schiff's book "The Music of Elliott Carter", it is written that Elliott Carter preferred to call it tempo modulation.
Eu acho que a matéria de artes do Brasil é mais fácil
I think you mean who played the Joker. In "Suicide Squad" it was Jared Leto. In "The Dark Knight Rises" it was Heath Ledger. Hope this helps.