Michael Wolfarth has seen concerts during 20 years.

Year   Concerts Seen  
2023 4 concerts
2022 1 concert
2021 1 concert
2019 4 concerts
2018 6 concerts
2017 5 concerts
2016 1 concert
2015 1 concert
2014 1 concert
2006 1 concert
2003 1 concert
1997 2 concerts
1996 1 concert
1990 1 concert
1988 1 concert
1985 1 concert
1983 1 concert
1981 1 concert
1980 1 concert
1979 7 concerts