Erin has 4 The Wonder Years concerts.

The Wonder Years is an American pop punk band from Lansdale, Pennsylvania, United States that formed in June 2005. Since their conception, they have released six full-length albums, two EPs, and several splits/compilations. The group is currently signed to Hopeless Records. Their name originates from a paper that lead vocalist, Dan 'Soupy' Campbell, read written by his after-school education teacher titled "The Wonder Years"