Jjm has seen concerts during 20 years.

Year   Concerts Seen  
2024 1 concert
2023 1 concert
2022 1 concert
2019 1 concert
2018 1 concert
2017 1 concert
2014 2 concerts
2013 1 concert
2003 3 concerts
2002 6 concerts
2001 4 concerts
2000 4 concerts
1999 4 concerts
1998 5 concerts
1997 5 concerts
1996 1 concert
1995 1 concert
1994 2 concerts
1993 2 concerts
1991 1 concert