The famous pipe organ in the Haunted Mansion Ballroom was originally used in the Walt Disney Studios feature 20,000 Leagues Under the Sea. The mansion's oversized organ plays the eerie & upbeat Grim Grinning Ghosts, the Haunted Mansion's official theme. In the 1954 Disney classic, Captain Nemo uses the ornate organ to play a haunting version of J.S. Bach's Toccata and Fugue in D Minor.
In the Jules Verne novels Twenty Thousand Leagues Under the Sea (1870) and The Mysterious Island (1874), Nemo is described as a scientific genius. Nemo is also an organ past master, having risen above the rank of master, another reference his education and intelligence.