The history of Logos concerts since the late sixties

  1970 1980 1990 2000 2010
  1971 1981 1991 2001 2011
  1972 1982 1992 2002 2012
  1973 1983 1993 2003 2013
  1974 1984 1994 2004 2014
  1975 1985 1995 2005 2015
  1976 1986 1996 2006 2016
  1977 1987 1997 2007 2017
1968 1978 1988 1998 2008  
1969 1979 1989 1999 2009  

Background photo: Caroline Wilkins in Zaum: Beyond Mind. Photo by Neil Graveney, used with permission.