John Otis a assité à 79 concerts

1996

1 concert

1995

1 concert

1990

2 concerts

1989

1 concert

1988

2 concerts

1987

1 concert

1986

3 concerts

1985

2 concerts

1984

1 concert

1983

5 concerts

1982

4 concerts

1981

9 concerts

1980

10 concerts

1979

19 concerts

1978

13 concerts

1977

5 concerts