Dan Tregenna has seen concerts during 17 years.

Year   Concerts Seen  
2023 7 concerts
2022 16 concerts
2021 1 concert
2019 6 concerts
2018 5 concerts
2017 5 concerts
2016 10 concerts
2015 10 concerts
2014 7 concerts
2013 4 concerts
2012 3 concerts
2011 1 concert
2010 2 concerts
2009 1 concert
2008 1 concert
2007 2 concerts
2006 3 concerts