Robert B has seen concerts during 15 years.

Year   Concerts Seen  
2023 7 concerts
2022 10 concerts
2021 3 concerts
2019 5 concerts
2018 4 concerts
2017 2 concerts
2016 4 concerts
2015 3 concerts
2014 4 concerts
2013 1 concert
2011 1 concert
2006 1 concert
2004 1 concert
1987 1 concert
1985 1 concert