Eric M. Ratner has seen concerts during 25 years.

Year   Concerts Seen  
2021 2 concerts
2019 1 concert
2016 1 concert
2015 1 concert
2014 8 concerts
2013 1 concert
2012 2 concerts
2011 7 concerts
2010 4 concerts
2009 2 concerts
2008 8 concerts
2007 2 concerts
2006 8 concerts
2005 3 concerts
2004 3 concerts
2003 15 concerts
2002 2 concerts
2001 3 concerts
2000 7 concerts
1999 2 concerts
1998 2 concerts
1997 1 concert
1995 4 concerts
1993 1 concert
1992 1 concert