Niamh O'brien has seen concerts during 15 years.

Year   Concerts Seen  
2024 3 concerts
2023 8 concerts
2022 6 concerts
2021 4 concerts
2020 3 concerts
2019 8 concerts
2018 9 concerts
2017 13 concerts
2016 11 concerts
2015 3 concerts
2014 3 concerts
2013 3 concerts
2012 2 concerts
2011 2 concerts
2009 1 concert