Mark Sterling has seen concerts during 25 years.

Year   Concerts Seen  
2023 5 concerts
2022 8 concerts
2021 3 concerts
2019 3 concerts
2018 1 concert
2017 1 concert
2016 1 concert
2014 1 concert
2010 4 concerts
2009 1 concert
2008 1 concert
2007 1 concert
2006 1 concert
2005 2 concerts
2003 1 concert
1996 1 concert
1995 1 concert
1994 1 concert
1992 3 concerts
1990 3 concerts
1989 2 concerts
1988 3 concerts
1987 2 concerts
1986 1 concert
1984 3 concerts