Programming like this is precisely why I contribute a few hundred to our local PBS station every year. Simply outstanding. I may even buy a copy of the BD to pass along to a couple of those deprived children who only know how to stream video on their phones;-)
If your not watching the series Sounbreaking you should be
Pbs .. series Soundbreaking on the recording studios .It has interviews and commentary from tons of people . Roger waters , Roger Daultry , on and on inside view of the making of music ...