David Alien has seen concerts during 12 years.

Year   Concerts Seen  
2023 2 concerts
2022 7 concerts
2021 1 concert
2019 11 concerts
2018 2 concerts
2017 3 concerts
2015 8 concerts
2013 7 concerts
2012 4 concerts
2011 4 concerts
2010 3 concerts
2007 1 concert