Apr has seen concerts during 13 years.

Year   Concerts Seen  
2018 2 concerts
2016 1 concert
2014 4 concerts
2013 1 concert
2012 2 concerts
2009 1 concert
2008 1 concert
2007 1 concert
2005 1 concert
2002 2 concerts
2001 1 concert
2000 3 concerts
1998 1 concert