Luca Mettler has seen concerts during 14 years.

Year   Concerts Seen  
2023 15 concerts
2022 17 concerts
2021 25 concerts
2020 3 concerts
2019 14 concerts
2018 8 concerts
2017 6 concerts
2016 8 concerts
2015 12 concerts
2014 9 concerts
2013 12 concerts
2012 10 concerts
2011 3 concerts
2010 2 concerts