Jon Schwartz has seen concerts during 20 years.

Year   Concerts Seen  
2024 10 concerts
2023 10 concerts
2022 7 concerts
2021 8 concerts
2020 3 concerts
2019 6 concerts
2018 5 concerts
2017 5 concerts
2016 10 concerts
2015 1 concert
2014 4 concerts
2013 1 concert
2012 4 concerts
2011 5 concerts
2010 1 concert
2009 4 concerts
2008 1 concert
2007 1 concert
2003 3 concerts
1999 1 concert