Drummer has seen concerts during 13 years.

Year   Concerts Seen  
2003 1 concert
1990 1 concert
1987 1 concert
1986 1 concert
1985 2 concerts
1984 1 concert
1983 2 concerts
1982 1 concert
1981 2 concerts
1980 3 concerts
1979 6 concerts
1978 6 concerts
1977 4 concerts