Yes, this DVD is just a copy of the original video. No, it's not in Dolby 5.1. Yes, there is some hiss and the sound quality is about right for 1977. No, it hasn't been "cleaned up" or restored (as far as I can tell) and no, there aren't any of the "extras" that we have all become accustomed to on DVD.
Five minutes into watching this, you won't care.
There are musicians. Then there are great musicians. And every so often in human history, someone comes along who seems to have a line into the mystery and majesty of the universe as expressed through music. Martha Argerich has (many) moments in this performance where she seems to be animated by the conductor of heaven's own choir, where it seems as if she has ceased to exist as a human being, and is simply a direct conduit for the divine.
Any fan of great classical music will enjoy this DVD. One kind of fan in particular, however, will find it compelling to the point of near-hypnosis. If you have spent twenty or thirty years battling with the piano, struggling with your own limits as a pianist, trying to come to grips with the subtlety of Schumann, the intricacy of Bach or the majesty of Beethoven, this DVD will both inspire you, and drive you to despair.
The average pianist is like someone who, over decades, has constructed a home-built airplane. They sit down at the keyboard, spin the propeller, and the whole contraption lurches into the air and moves about the sky with more or less grace depending on what kind of day the pianist is having. The return to earth is always something of a relief, and if the little plane is still in one piece, the pianist counts the flight a success.
Now imagine the little plane has been tucked away in the hangar, and the pilot is walking home in the last rays of evening twilight. A motion catches his eye, and he stops to watch the woodland birds flying in, out, above and below the trees. They dart, flit and zoom in the still evening air, landing on branches or missing them by a hairsbreadth, chasing and catching bugs in mid-air, turning and diving and folding and spreading their wings so quickly the mind almost can't follow them. Theirs is a mastery of flight beyond all effort, beyond all conscious thought, into a place where movement and motion become one with the divine perfection that continually eludes (almost) all of us all our lives.
Martha Argerich is one of those woodland birds; if you want to see her fly, this DVD is a perfect place to start.