Alcotan has seen concerts during 13 years.

Year   Concerts Seen  
2005 1 concert
2003 1 concert
1999 1 concert
1993 3 concerts
1992 2 concerts
1991 2 concerts
1990 4 concerts
1989 2 concerts
1988 2 concerts
1987 3 concerts
1986 3 concerts
1985 1 concert
1983 3 concerts