Can't help you directly I'm sorry but suggest in future that you keep the page in your favourites for easy reference until you've finished the dwonload and/or alternatively get the exact date from the download page and create a new folder with gig and date on your hard drive. Download it into the newly created file.
That's what I do anyway...it's common sense or if you want to be technical..file management.
I had the same problem the other day with a CD2 torrent. I went through the Show All Torrents boards and from memory eventually found it to be the Stockholm 2005 gig! Search may help...but doubt it as it's too vague!
Maybe the set list will narrow it down to whichever tour it refers to. Good luck anyway!