Zach Mac Donald has seen concerts during 13 years.

Year   Concerts Seen  
2017 1 concert
2016 5 concerts
2015 8 concerts
2014 9 concerts
2013 11 concerts
2012 13 concerts
2011 8 concerts
2010 9 concerts
2009 8 concerts
2008 9 concerts
2007 6 concerts
2006 19 concerts
2005 5 concerts