Paine’s “Columbian March” This is Part 4 of our series “Opening Day of the World’s Fair,” which explores the events of May 1, 1893, at the World’s Columbian Exposition in Chicago. The full series can be found here. The Exposition Orchestra Under the main arch of the Administration Building, and in front of a great sounding board, sat the 150 musicians* of the Exposition Orchestra, under the baton of conductor Theodore Thomas. The grandstand beneath them filled with more [...]