This exists as a bootleg DVD, as well. Someone put...

This exists as a bootleg DVD, as well. Someone put some examples up on YouTube. Check it out:

http://www.youtube.com/watch?v=UVfOMy_vBbI
http://www.youtube.com/watch?v=6BGn7olcJQo
http://www.youtube.com/watch?v=dfh36yldmvY
http://www.youtube.com/watch?v=1EHsZdPkU8c

I'll second the recommendation for "Live in Japan". It's even more aggressive that the performances here. Eric Gravatt does some amazing work - you can hear excerpts on the second half of "I Sing the Body Electric".