In 2018 Ahlgren saw 8 performances during 3 concerts with 7 bands at 3 venues in 2 locations.

Date   Concert   Venue   Location  
Aug 11, 2018
Live / Counting Crows
  Setlists
BB&T Pavilion Camden, New Jersey, United States
Jul 28, 2018
LIVE / Bush
  Setlists
PNC Bank Arts Center Holmdel, New Jersey, United States
May 19, 2018
MMRBQ 2018
Alice In Chains / Stone Temple Pilots / Ghost / Dorothy / Jonathan Davis / The Record Company / Radkey / In the Presence of Wolves
  Setlists
BB&T Pavilion Camden, New Jersey, United States