Casssidy has seen concerts during 17 years.

Year   Concerts Seen  
2024 20 concerts
2023 21 concerts
2022 29 concerts
2021 8 concerts
2020 1 concert
2019 26 concerts
2018 24 concerts
2017 31 concerts
2016 20 concerts
2015 8 concerts
2014 1 concert
2013 1 concert
2012 2 concerts
2011 4 concerts
2010 2 concerts
2009 1 concert
2008 1 concert