To promote their most recent studio album, Jeanne d'Arc, Tangerine Dream performed two concerts in the famous French Church of Friedrichstadt in Berlin. They played the complete album in chronological order plus a number of encores.
According to Jerome Froese's web site, between the both gigs in Berlin, he "sprained his ankle so he had to walk on/off stage with crutches and could barely move at his place during the show (which fortunately wasn't very important)".