Gretch7g has seen concerts during 12 years.

Year   Concerts Seen  
2003 1 concert
1991 1 concert
1989 1 concert
1988 1 concert
1987 4 concerts
1984 3 concerts
1982 2 concerts
1981 1 concert
1978 2 concerts
1977 4 concerts
1976 1 concert
1975 1 concert