David Byrnes Butler has seen concerts during 12 years.

Year   Concerts Seen  
2023 1 concert
2022 5 concerts
2020 1 concert
2019 2 concerts
2018 1 concert
2017 4 concerts
2016 7 concerts
2015 9 concerts
2014 11 concerts
2013 15 concerts
2012 12 concerts
2011 2 concerts