Trevor Vandergaast has seen concerts during 34 years.

Year   Concerts Seen  
2024 1 concert
2023 1 concert
2022 1 concert
2019 1 concert
2017 3 concerts
2016 4 concerts
2014 2 concerts
2012 2 concerts
2011 2 concerts
2010 3 concerts
2009 1 concert
2008 1 concert
2007 2 concerts
2005 1 concert
2004 4 concerts
2003 1 concert
2002 1 concert
2001 3 concerts
2000 1 concert
1999 1 concert
1997 3 concerts
1996 3 concerts
1995 2 concerts
1994 4 concerts
1993 1 concert
1992 1 concert
1991 1 concert
1990 5 concerts
1989 3 concerts
1988 9 concerts
1987 5 concerts
1986 3 concerts
1985 3 concerts
1983 1 concert