Sandra Geurtsen has seen concerts during 18 years.

Year   Concerts Seen  
2024 10 concerts
2023 4 concerts
2022 3 concerts
2019 3 concerts
2018 4 concerts
2017 1 concert
2016 1 concert
2015 1 concert
2014 2 concerts
2012 1 concert
2011 1 concert
2010 1 concert
2009 1 concert
2007 2 concerts
2003 1 concert
1983 1 concert
1982 1 concert
1981 1 concert