Zook has seen concerts during 43 years.

Year   Concerts Seen  
2024 8 concerts
2023 32 concerts
2022 38 concerts
2021 22 concerts
2020 8 concerts
2019 43 concerts
2018 29 concerts
2017 43 concerts
2016 39 concerts
2015 46 concerts
2014 40 concerts
2013 30 concerts
2012 21 concerts
2011 28 concerts
2010 23 concerts
2009 22 concerts
2008 17 concerts
2007 8 concerts
2006 16 concerts
2005 4 concerts
2004 4 concerts
2002 3 concerts
2001 8 concerts
2000 7 concerts
1999 4 concerts
1998 5 concerts
1997 4 concerts
1996 2 concerts
1995 3 concerts
1994 8 concerts
1993 11 concerts
1992 14 concerts
1991 15 concerts
1990 12 concerts
1989 15 concerts
1988 26 concerts
1987 22 concerts
1986 15 concerts
1985 13 concerts
1984 9 concerts
1983 20 concerts
1982 14 concerts
1981 2 concerts