Keegan O’brien has seen concerts during 11 years.

Year   Concerts Seen  
2022 2 concerts
2021 1 concert
2020 3 concerts
2019 3 concerts
2018 8 concerts
2017 10 concerts
2016 5 concerts
2015 2 concerts
2000 1 concert
1999 1 concert
1998 1 concert