https://lrusso.github.io/3DArtMuseum/3DArtMuseum.htm
addToLeft (picture_width, picture_location, jpg_filename, mp3_filename, text_description_value); // LEFT WALL
addToRight (picture_width, picture_location, jpg_filename, mp3_filename, text_description_value); // RIGHT WALL
addToFront (picture_width, picture_location, jpg_filename, mp3_filename, text_description_value); // FRONT WALL
addToBack (picture_width, picture_location, jpg_filename, mp3_filename, text_description_value); // BACK WALL
addToLeft(35, 200, "Art_01.jpg", "Art_01.mp3", "Sample text.");