Bonnaroo Superjam, is a tag that generally refers to an annual event held after hours at the Bonnaroo festival in rural Tennessee. In 2008 Metallica guitarist Kirk Hammett and Les Claypool of Primus jammed with members of Gogol Bordello on a set of Tom Waits covers. In 2007 Led Zeppelin's John Paul Jones joined Ben Harper and ?uestlove of The Roots. Who will it be this time around, just wait until June and find out... Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.