Blackhat4blues has seen concerts during 11 years.

Year   Concerts Seen  
2019 1 concert
2018 1 concert
2017 1 concert
1995 1 concert
1993 1 concert
1992 1 concert
1990 7 concerts
1989 2 concerts
1988 3 concerts
1987 6 concerts
1986 2 concerts