Robert Mosher has seen concerts during 23 years.

Year   Concerts Seen  
2024 1 concert
2023 2 concerts
2009 1 concert
2007 1 concert
2005 1 concert
2003 1 concert
2002 1 concert
1998 1 concert
1994 1 concert
1992 1 concert
1987 3 concerts
1986 2 concerts
1985 2 concerts
1984 2 concerts
1983 9 concerts
1982 12 concerts
1981 13 concerts
1980 18 concerts
1979 9 concerts
1978 10 concerts
1977 17 concerts
1976 8 concerts
1975 4 concerts