William Maio has seen concerts during 12 years.

Year   Concerts Seen  
2023 5 concerts
2021 1 concert
2019 4 concerts
2018 3 concerts
2017 4 concerts
2016 2 concerts
2012 1 concert
1998 1 concert
1991 1 concert
1990 1 concert
1989 1 concert
1987 1 concert