Michael Bona87 has seen concerts during 21 years.

Year   Concerts Seen  
2024 1 concert
2023 2 concerts
2022 7 concerts
2021 4 concerts
2019 4 concerts
2018 7 concerts
2017 2 concerts
2016 6 concerts
2015 1 concert
2013 2 concerts
2012 2 concerts
2010 1 concert
2009 1 concert
2008 2 concerts
2007 1 concert
2006 2 concerts
2005 2 concerts
2004 3 concerts
2003 6 concerts
2002 7 concerts
2001 1 concert