Jonathan Herr has seen concerts during 16 years.

Year   Concerts Seen  
2023 1 concert
2021 1 concert
2017 1 concert
2015 2 concerts
2012 1 concert
2010 1 concert
2008 3 concerts
2007 1 concert
2005 1 concert
2004 1 concert
2003 1 concert
2002 2 concerts
2000 2 concerts
1997 2 concerts
1995 4 concerts
1986 1 concert