John Linehan has seen concerts during 13 years.

Year   Concerts Seen  
2024 9 concerts
2023 9 concerts
2022 2 concerts
2021 3 concerts
2019 2 concerts
2018 1 concert
2017 1 concert
2016 1 concert
2011 1 concert
2009 1 concert
2006 2 concerts
2005 1 concert
2003 2 concerts