Eric Thornsburg has seen concerts during 20 years.

Year   Concerts Seen  
2023 8 concerts
2022 4 concerts
2021 6 concerts
2020 1 concert
2019 10 concerts
2018 2 concerts
2001 1 concert
2000 1 concert
1999 1 concert
1997 3 concerts
1996 7 concerts
1995 12 concerts
1994 9 concerts
1993 25 concerts
1992 10 concerts
1991 6 concerts
1990 9 concerts
1989 7 concerts
1988 3 concerts
1986 1 concert