^I had huge respect for the Zeppelin, until they started being sellouts and certain people had collaborations with Kanye West and Allison Krauss...
And I can't choose a top 5, top 100 maybe, but I love metal too much.
If we're going to list concert times, then there's a thread for that, i've seen a big medley since then.
Dream Theater - 45 times
Opeth - 43 times
Alizée - 1 time
Led Zeppelin - 1 time (O2 reunion)
Cream - (2005 reunion)
Finntroll - 3 times
Tool - 1 time
Ensiferum - 5 times
Amon Amarth - 6 times
Children of Bodom - 7 times
G3 - 1 time
Van Halen - 2007 tour with David Lee Roth: 2 times
Iron Maiden - 2 times
Rush - 1 show
Eric Clapton - 1 time
Korpiklaani - 3 times
Heidevolk - 1 time
Moonsorrow - 2 times
Peter Frampton - 1 time
Steve Vai - 4 times
Joe Satriani - 1 time
Elton John - The red piano - 2 times
Mayhem - 1 time
Wintersun - 1 time (BAD ASS)
Lamb of God - 1 time
Megadeth - 2 times
Metallica - 1 time
Norther - 1 time
Tiësto - 2 times
3 - 2 times
Black Chapel - 2 times
Warbringer - 1 time