Calvin Hultman has seen concerts during 15 years.

Year   Concerts Seen  
2019 1 concert
2015 1 concert
2013 1 concert
2012 1 concert
2011 2 concerts
2010 2 concerts
2009 1 concert
2007 1 concert
2006 1 concert
2002 1 concert
1999 1 concert
1998 2 concerts
1997 1 concert
1993 2 concerts
1992 1 concert