Kassian has seen concerts during 12 years.

Year   Concerts Seen  
2024 1 concert
2023 7 concerts
2022 10 concerts
2021 6 concerts
2020 2 concerts
2019 14 concerts
2018 10 concerts
2017 2 concerts
2016 3 concerts
2015 3 concerts
2013 1 concert
2011 1 concert