Mary De Balfo has seen concerts during 11 years.

Year   Concerts Seen  
2019 3 concerts
2018 6 concerts
2017 4 concerts
2016 3 concerts
2015 1 concert
2014 1 concert
2013 1 concert
2012 1 concert
2011 1 concert
2006 1 concert
2002 1 concert