Marv In has seen concerts during 16 years.

Year   Concerts Seen  
1995 1 concert
1991 3 concerts
1990 2 concerts
1988 1 concert
1985 2 concerts
1984 2 concerts
1983 4 concerts
1982 5 concerts
1981 1 concert
1980 1 concert
1978 1 concert
1977 1 concert
1976 3 concerts
1975 1 concert
1974 1 concert
1973 1 concert