Thomas Leonard has seen concerts during 24 years.

Year   Concerts Seen  
2023 1 concert
2022 1 concert
2019 1 concert
2017 2 concerts
2016 1 concert
2014 1 concert
2013 1 concert
2011 1 concert
2007 1 concert
2005 1 concert
2004 1 concert
2000 1 concert
1999 1 concert
1996 1 concert
1995 1 concert
1994 1 concert
1993 1 concert
1992 1 concert
1987 2 concerts
1984 2 concerts
1983 2 concerts
1982 1 concert
1981 1 concert
1980 2 concerts