Conversation so far:
What is Diorama?
their fourth album, Diorama.
Was this album successful?
Chart - it became their fourth number-one album and spent 50 weeks in the top 50.
Were there any singles?
"The Greatest View".
Any other singles?
", "Without You", "Luv Your Life", "Across the Night", and "After All These Years.
Did the album win any awards?
2002, winning five awards including 'Best Rock Album.
Are there any other interesting aspects about this article?
' and 'Best Group', and 'Producer of the Year' for Johns.

Question: Who produced it?
Self-contained rewrite: Who produced Silverchair's album Diorama?