It wasn’t just expanded in 2004 - it was also remixed, and sounds much better. Problem is the 2004 version leaves off “Thank You”, but on the plus side it has “The Rain Song”. I consider the 2004 version far superior to the original.
But I don’t listen to that version anymore - I ripped the 24bit files from the DVD and listen to it on my FLAC player, and it has all the songs, and in hi res, so that’s the way to go really if you know how to do it.