Michael Shanahan has seen concerts during 21 years.

Year   Concerts Seen  
2024 2 concerts
2022 2 concerts
2021 1 concert
2019 3 concerts
2018 1 concert
2017 1 concert
2016 2 concerts
2015 1 concert
2014 1 concert
2011 1 concert
2009 1 concert
1993 2 concerts
1992 3 concerts
1990 1 concert
1989 1 concert
1987 1 concert
1985 1 concert
1984 4 concerts
1983 2 concerts
1982 4 concerts
1981 2 concerts