The classical music blog universe is still expanding: On October 28, 2008, the new blog StateWork started with Shostakovich 10th live on Carnegie Hall (19 Feb 2004). Like most of the posts, this is a broadcast recording (which is unique among the classical music blogs I know).
The blogs owner, Guillermo, in his own words: "This is for you and I, to make available the great performances of recorded history that are either not available anywhere (private broadcast recordings) or somehow unavailable and not foreseeably set to be released commercially. The real aim is to feed the need for more superlative performances of music."
I registered as follower.