Harmony has seen concerts during 20 years.

Year   Concerts Seen  
2024 2 concerts
2023 1 concert
2017 2 concerts
2015 1 concert
2014 1 concert
2013 1 concert
2004 1 concert
2002 3 concerts
2001 14 concerts
2000 1 concert
1999 1 concert
1998 2 concerts
1997 1 concert
1995 2 concerts
1994 2 concerts
1992 3 concerts
1991 3 concerts
1990 2 concerts
1989 1 concert
1988 2 concerts