Conversation so far:
Where did the idea for the film Pink Floyd - The Wall come from?
Even before the original Pink Floyd album was recorded, a film was intended to be made from it.
What was the film Pink Floyd - The Wall going to be about?
The concept of the film was intended to be live footage from the album's tour, with Scarfe's animation and extra scenes
Are there any other interesting aspects about this article, besides where the idea came from and what the film was going to be about?
The film was going to star Roger Waters himself
What was Roger Waters' role going to be in the film Pink Floyd - The Wall?
Water's role was going to be as the star, Pink
Why did EMI not want to make the film?
EMI did not intend to make the film, as they did not understand the concept
Can you tell me about the production of Pink Floyd - The Wall?
Director Alan Parker asked EMI whether The Wall could be adapted to film. EMI suggested that Parker talk to Waters, who had asked Parker to direct the film

Question: Was there anything else significant?
Self-contained rewrite: Was there anything else significant about the production of the film Pink Floyd - The Wall, besides where the idea came from, what the film was going to be about, Roger Waters' role, why they didn't make the film, and the production?