I just got the remastered 2 disc album on SACD, remixed in 5.1, it sounds awesome. I'd heard it in bits and pieces before because my dad has it on vinyl from the original release, but I've been listening to it in full and it's very interesting. I'm not generally into musical interpretaions of stories but this is done quite well. I noticed a live version on DVD recently, not sure how that would work but I might get it.