Mark Cornelius has seen concerts during 17 years.

Year   Concerts Seen  
2024 1 concert
2023 1 concert
2018 1 concert
2017 2 concerts
2016 3 concerts
2013 1 concert
2012 1 concert
2011 1 concert
2010 1 concert
2009 2 concerts
2008 5 concerts
2005 1 concert
2003 6 concerts
2002 2 concerts
2001 1 concert
2000 1 concert
1999 1 concert