Doug Harris has seen concerts during 21 years.

Year   Concerts Seen  
2019 1 concert
2016 3 concerts
2015 2 concerts
2013 1 concert
2009 3 concerts
2008 1 concert
2007 2 concerts
1998 1 concert
1994 2 concerts
1992 1 concert
1988 1 concert
1986 1 concert
1985 1 concert
1984 2 concerts
1982 1 concert
1981 1 concert
1980 2 concerts
1979 1 concert
1978 3 concerts
1977 3 concerts
1974 1 concert