Mr. Imp has seen concerts during 28 years.

Year   Concerts Seen  
2017 1 concert
2013 2 concerts
2010 1 concert
2009 1 concert
2008 1 concert
2006 1 concert
2005 1 concert
2000 1 concert
1999 1 concert
1996 1 concert
1992 1 concert
1989 1 concert
1987 1 concert
1986 1 concert
1982 1 concert
1980 2 concerts
1979 1 concert
1978 1 concert
1977 3 concerts
1976 3 concerts
1975 3 concerts
1974 7 concerts
1973 1 concert
1972 5 concerts
1971 2 concerts
1970 1 concert
1969 1 concert
1968 1 concert