Graham Yapp has seen concerts during 21 years.

Year   Concerts Seen  
2014 2 concerts
2010 1 concert
2009 4 concerts
2005 5 concerts
2003 2 concerts
2001 13 concerts
1997 4 concerts
1993 6 concerts
1992 4 concerts
1990 2 concerts
1989 1 concert
1987 8 concerts
1985 1 concert
1984 1 concert
1983 1 concert
1982 1 concert
1981 3 concerts
1980 3 concerts
1979 2 concerts
1978 2 concerts
1977 4 concerts