In 2004 Jeff Irvine saw 10 performances during 1 concert with 10 bands at 1 venue in 1 location.

Date   Concert   Venue   Location  
Jun 24, 2004
Ozzfest 2004
Dimmu Borgir / Superjoint Ritual / Black Label Society / Hatebreed / Lamb of God / Ozzy Osbourne / Slipknot / Slayer / Black Sabbath / Judas Priest
  Setlists
Coors Amphitheatre Englewood, Colorado, United States