How did the architect Le Corbusier contribute to the performance of Var$$se$\text{'}$s Po$$me $$lectronique at the $1958$ Brussels World's Fair?

Multiple choice question.

He designed the shape of the pavilion that the music was to be played in$,$ including selecting the placement of all the speakers.

He selected a series of images that were projected on the walls during the music but were in no way synchronized with the music.

He created special walls that would either dampen or enhance the notes of specific instruments to achieve a unique effect.

He designed a series of specially tuned pools of water that were situated around the pavilion to enhance the music.