In 1991 Derek West saw 6 performances during 2 concerts with 5 bands at 2 venues in 2 locations.

Date   Concert   Venue   Location  
Jun 05, 1991
Megadeth / Slayer / Anthrax / Alice In Chains
  Setlists
Red Rocks Amphitheatre Morrison, Colorado, United States
Feb 25, 1991
Iron Maiden / Anthrax

No Prayer on the Road

  Setlists
McNichols Sports Arena Denver, Colorado, United States