There are a few PFunk torrents available on www.bt.etree.org
George Clinton & The PFunk All-Stars: Ram's Head Live; Baltimore, MD 2006-09-08
Parliament Funkadelic xx-xx-1979, Washington, D.C.
P-Funk 10/15/99 Pontiac, MI SBD
Hit the link and search on "pfunk"http://www.purelivegigs.com
also has Ben Harper's show from Bonnaroo 2007. The Bonnaroo date has guests John Paul Jones (Led Zeppelin bassist) and Ziggy Marley. Plus there's also the Superjam that featured Ben, JPH, ?uestlove and Kirk (guitarist from The Roots) http://www.purelivegigs.com/forums/search.php?searchid=292354
Fishbone has its own torrent database at www.Fishbonelive.org.
I highly reccommend the April 9, 2007 (Aus) show as a newbie starting point.
has a slew of Prince shows, but I haven't checked any out. Just run query.