This show, as with many late 1972 shows, is famous, especially among Dark Star and dead jam folks.
You can see by the vast number of links. Start with the music download
What's so fun is the 20 year old introduction of the Dark Star by Dick Latvala, who apparently had hijacked David Gan's Grateful Dead Hour. OK, I'd like Dick do this too.
Then read Light Into Ashes http://deadessays.blogspot.com/2010/01/deads-early-thematic-jams.html
Then some more reading on 1972 Dark Stars