Jon Ashworth has seen concerts during 15 years.

Year   Concerts Seen  
2024 1 concert
2023 1 concert
2022 2 concerts
2021 1 concert
2019 1 concert
2018 2 concerts
2016 2 concerts
2014 1 concert
2013 2 concerts
2012 3 concerts
2011 3 concerts
2010 3 concerts
2009 4 concerts
2008 1 concert
2007 1 concert