Greg a assité à 150 concerts

2012

7 concerts

2011

33 concerts

2010

32 concerts

2009

19 concerts

2008

4 concerts

2007

2 concerts

2006

5 concerts

2005

1 concert

2003

5 concerts

2002

2 concerts

2000

1 concert

1999

3 concerts

1998

18 concerts

1997

4 concerts

1996

6 concerts

1995

1 concert

1994

1 concert

1992

1 concert

1991

2 concerts

1990

1 concert

1988

2 concerts