(Apologies if this has already been posted - I tried to search first without success.)
 
Here's another youtube gem - somebody has posted the dedicated camera and bass audio track/channel for two of The Ox's performances in The Kids are Alright.
 
http://www.youtube.com/results?search_query=Isolated%20Entwistle&search=Search

Has indeed be posted some time ago.  
These are from The kids are allright Special edition 2-DVD.
On the DVD you can choose between different camera angles and soundtracks (isolated bass and the whole band)
 
Very cool indeed!

Love that - saw the YouTube video, went out and got the DVD! I had The Kids Are Alright on VHS when I was in high school - got the chance to see it on the big screen during college - now the DVD has some killer extras!