Keith Nagengast has seen concerts during 27 years.

Year   Concerts Seen  
2023 6 concerts
2022 4 concerts
2021 2 concerts
2019 5 concerts
2018 4 concerts
2017 2 concerts
2016 4 concerts
2015 3 concerts
2014 6 concerts
2013 3 concerts
2012 3 concerts
2011 1 concert
2010 2 concerts
2009 6 concerts
2008 1 concert
2006 1 concert
2004 1 concert
2003 1 concert
2000 3 concerts
1998 1 concert
1997 1 concert
1996 2 concerts
1995 1 concert
1994 2 concerts
1993 1 concert
1992 1 concert
1991 1 concert