Everytime I listen to this, I can't help but think of "Silence of the Lambs." Hannibal enjoyed listening to this.
Well... I can't comment on the movie, or what the cryptic inference might be regarding Hannibal, but it is a blessing to the world that Glenn Gould was captured during this session. It is, arguably, the most important legit performance ever recorded.
In the movie, "The Silence of the Lanbs," the serial killer Hannibal "the Cannibal" Lecter is playing a recording of this music while he kills and multilates two cops.
The music should have never been used in the movie. Rap would have been more appropriate.