Shannon Gilfillan has seen concerts during 15 years.

Year   Concerts Seen  
2019 1 concert
2015 1 concert
2014 1 concert
2013 1 concert
2012 1 concert
2010 1 concert
2008 1 concert
2007 1 concert
2005 2 concerts
2002 2 concerts
2001 2 concerts
2000 2 concerts
1995 1 concert
1994 1 concert
1993 2 concerts