Mark Allen Siegfried went to 19 concerts

2009

2 concerts

2008

1 concert

2004

1 concert

2003

1 concert

2000

1 concert

1999

4 concerts

1998

1 concert

1997

2 concerts

1996

1 concert

1995

2 concerts

1992

1 concert

1991

1 concert

1987

1 concert