Jon O'dea has seen concerts during 22 years.

Year   Concerts Seen  
2023 19 concerts
2022 1 concert
2021 5 concerts
2020 1 concert
2019 3 concerts
2017 1 concert
2016 3 concerts
2014 5 concerts
2011 1 concert
2009 1 concert
2004 2 concerts
2003 1 concert
2002 12 concerts
2001 10 concerts
1999 2 concerts
1998 3 concerts
1997 8 concerts
1996 37 concerts
1995 15 concerts
1994 31 concerts
1993 16 concerts
1992 10 concerts