Michael Hendra has seen concerts during 15 years.

Year   Concerts Seen  
2019 1 concert
2017 1 concert
2016 1 concert
2013 1 concert
2010 2 concerts
2009 1 concert
2007 2 concerts
2004 1 concert
2002 3 concerts
2001 4 concerts
2000 1 concert
1998 1 concert
1997 2 concerts
1995 1 concert
1993 1 concert