John Atl has seen concerts during 14 years.

Year   Concerts Seen  
2023 1 concert
2022 2 concerts
2021 2 concerts
2020 1 concert
2019 2 concerts
2018 1 concert
2017 1 concert
2016 1 concert
2014 2 concerts
2013 1 concert
2011 3 concerts
2009 1 concert
1981 1 concert
1972 1 concert