Robert Ballard has seen concerts during 32 years.

Year   Concerts Seen  
2023 10 concerts
2022 8 concerts
2021 4 concerts
2019 7 concerts
2018 11 concerts
2017 6 concerts
2016 16 concerts
2015 11 concerts
2014 5 concerts
2013 5 concerts
2012 1 concert
2011 6 concerts
2010 1 concert
2008 4 concerts
2007 2 concerts
2005 3 concerts
2004 3 concerts
2002 6 concerts
2001 4 concerts
2000 6 concerts
1999 8 concerts
1998 6 concerts
1997 5 concerts
1996 3 concerts
1995 3 concerts
1994 3 concerts
1993 2 concerts
1992 1 concert
1991 4 concerts
1990 2 concerts
1989 2 concerts
1988 1 concert