Jeff Allen has seen concerts during 24 years.

Year   Concerts Seen  
2023 4 concerts
2022 3 concerts
2019 7 concerts
2018 9 concerts
2017 13 concerts
2016 8 concerts
2015 3 concerts
2014 3 concerts
2013 3 concerts
2012 4 concerts
2011 1 concert
2009 2 concerts
2008 1 concert
2007 4 concerts
2006 4 concerts
2005 1 concert
2004 4 concerts
2003 1 concert
2002 1 concert
2001 4 concerts
1999 1 concert
1993 1 concert
1990 1 concert
1988 1 concert