In the mid-seventies, when MGM as a producing force in studio history was pretty much dead, a couple of researchers started to put together a compilation of the greatest moments from the birth of the talkie to Gigi's glut of Academy Awards at the end of the 1950s.
The idea of this first 'That's Entertainment!' was to showcase the cream of the musicals, using a number of MGM's former contact stars (Frank Sinatra, Gene Kelly, Fred Astaire, Elizabeth Taylor, Mickey Rooney et al) to link segments together.
The result was so breathtaking and brilliant that two further sequels followed; one almost immediately, and the third after a gap of twenty years, in time for MGM's seventieth birthday.
This first compilation…