In that particular inter-dimensional photographic investigation all music was forbidden in the cafeterias because of a deadly virus that entered the human organism through the vibrations that hit the eardrums. And also through the pores of the skin situated in the chin. So there was no music and everybody was wearing chirurgical masks around their chin. A photographic investigator frequently encounters things that in our dimension would be considered strange - but not there. But even in this depressing dimension there was a way out: it was referred to with the code name “Chicago” and my assignment was to discover what exactly this was. It was a total success, but unfortunately -as it happens in many cases- I cannot reveal more at this point…