Katie Hartt has seen concerts during 14 years.

Year   Concerts Seen  
2023 3 concerts
2022 10 concerts
2021 1 concert
2019 1 concert
2018 2 concerts
2017 3 concerts
2016 1 concert
2015 1 concert
2014 1 concert
2013 2 concerts
2012 1 concert
2011 1 concert
2010 1 concert
2009 1 concert