East Of Eden were one of a number of groups who performed at the relocated Actuel Festival (October 24-28, 1969) at Mont de I'Enclus, Amougies, Belgium.
Performances of this event, which was transmitted on French radio by disc jockey & producer Pierre Lattès and featured Frank Zappa as event MC, appear on the Jérôme Laperrousaz films Music Power and European Music Revolution. East Of Eden feature in the latter documentary with Nice & Soft Machine. East Of Eden appeared on the Tuesday, 28th concert bill, following Soft Machine and Captain Beefheart, followed by Fat Mattress and Zoo. An assortment of 'free jazz' and 'new music' acts also appeared that day.