Really? I didn't hear any sort of backing tracks. And it seemed like Revolution was played noticeably faster than the studio track so I wouldn't think that would work out.
6/17 - Meshuggah
6/28 - Iron Maiden - Bergen, Norway
6/29 - Blaze Bayley - Bergen, Norway
7/1 - Iron Maiden - Luxembourg
10/31 - Fleetwood Mac