Mike Lehman has seen concerts during 15 years.

Year   Concerts Seen  
2024 2 concerts
2023 3 concerts
2022 4 concerts
2019 1 concert
2018 5 concerts
2017 2 concerts
2016 3 concerts
2015 2 concerts
2014 3 concerts
2013 5 concerts
2012 2 concerts
2011 6 concerts
2010 1 concert
2009 3 concerts
2001 1 concert