Zack Kammerer has seen concerts during 13 years.

Year   Concerts Seen  
2024 9 concerts
2023 21 concerts
2022 40 concerts
2021 28 concerts
2020 10 concerts
2019 37 concerts
2018 29 concerts
2017 35 concerts
2016 10 concerts
2015 2 concerts
2014 3 concerts
2008 2 concerts
2007 1 concert