Dave Matthews & Tim Reynolds guest with Jack Johnson in Hawaii at the Kokua Festival. This has been on youtube for a while buried at the end of a full 1hr30m JJ webcast video. Clipped the guest appearance out, cleaned video.

01:35 A Pirate Looks at Forty - (Jimmy Buffett cover)
05:30 The 3 R's - (w/ Paula Fuga, Go Jimmy Go, Mason Jennings, and Kawika Kahiapo)

Noncomemercial media from a free webcast. Full Jack Johnson set can be found on youtube here:    • Jack Johnson - Kokua Festival, Hawaii...