Ahlgren has 1 Papa Roach concert.

Papa Roach is a hard rock band from Vacaville, California. Formed in 1993, it consists of Jacoby Shaddix (vocals), Jerry Horton (guitar), Tobin Esperance (bass), and Tony Palermo (drums). Tony, previously of Unwritten Law, joined the band permanently in 2008; the move came after the departure of one of the band's founding members, Dave Buckner. The band has released nine studio albums, sold more than 20 million albums worldwide, with one #1 hit on alternative radio ("Last Resort") and four number-ones on mainstream rock.