Michael Saca has seen concerts during 16 years.

Year   Concerts Seen  
2013 1 concert
2010 1 concert
2007 1 concert
2005 1 concert
2004 2 concerts
2002 1 concert
2001 1 concert
1998 1 concert
1996 1 concert
1990 1 concert
1988 2 concerts
1986 1 concert
1978 4 concerts
1977 1 concert
1976 3 concerts
1975 4 concerts