In 2004 Matt Boudreau saw 22 performances during 2 concerts with 22 bands at 1 venue in 1 location.

Date Concert Venue Location
Jul 20, 2004
Rod Stewart
  Setlists
Xfinity Center Mansfield, Massachusetts, United States
Jul 12, 2004
Ozzfest 2004
Black Sabbath / Judas Priest / Slayer / Dimmu Borgir / Superjoint Ritual / Black Label Society / Lacuna Coil / Slipknot / Hatebreed / Lamb Of God / Atreyu / Bleeding Through / Every Time I Die / Unearth / God Forbid / Otep / DevilDriver / Magna-Fi / Throwdown / Darkest Hour / Trivium Show all bands
  Setlists
Xfinity Center Mansfield, Massachusetts, United States