One of the chief functions of the ballroom was to house the pipe organ that DuPont had built.

A museum-like exhibit explains the history of the pipe organ.

Like many men, DuPont was concerned about the size of his organ. Here's how it stacks up with some of the biggest in the world.

The organ has been refurbished a couple of times. The console is in the process of being replaced again.

This is the console that was installed in the 50s.

The new console and a writeup about it.