David Ingersoll has seen concerts during 20 years.

Year   Concerts Seen  
2025 1 concert
2024 4 concerts
2023 3 concerts
2019 2 concerts
2018 2 concerts
2017 2 concerts
2014 1 concert
2009 1 concert
2007 1 concert
2002 2 concerts
2001 2 concerts
2000 1 concert
1999 2 concerts
1993 1 concert
1990 1 concert
1987 5 concerts
1985 1 concert
1984 2 concerts
1982 3 concerts
1981 1 concert