Pietro has seen concerts during 13 years.

Year   Concerts Seen  
2024 1 concert
2023 4 concerts
2022 4 concerts
2021 3 concerts
2020 1 concert
2019 8 concerts
2018 6 concerts
2017 4 concerts
2016 1 concert
2015 1 concert
2014 1 concert
2008 1 concert
2006 1 concert