David R. Gracia Jr. has seen concerts during 13 years.

Year   Concerts Seen  
2016 1 concert
2015 13 concerts
2014 26 concerts
2013 8 concerts
2012 8 concerts
2011 4 concerts
2010 2 concerts
2009 4 concerts
2008 3 concerts
2007 2 concerts
2006 5 concerts
2003 1 concert
2001 1 concert