Abstract Entertainment has seen concerts during 13 years.

Year   Concerts Seen  
2007 1 concert
1999 6 concerts
1998 19 concerts
1997 38 concerts
1996 14 concerts
1995 7 concerts
1994 10 concerts
1992 4 concerts
1991 1 concert
1989 2 concerts
1987 2 concerts
1986 1 concert
1985 1 concert