I found the blog of Michael Krugman while browsing tango related stuff and as being a tango junkie I decided to reconstruct his webpage.
Michael Krugman (1951-2016) was known by tango lovers for his blog with discussions and translations tango lyrics, Tango Decoder, and later for his research into the advertisements for tango dances and what they revealed, the Tango Time Machine. (text ref https://www.tangomusicsecrets.co.uk/tango-decoder/)
Other sites mentioning Tango Decoder:
tangodecoder wordpress
FB Tango Time Machine
Tango music secrets