From 11/4/1970 to 1/14/1971, an SF Bay Area all star recording session included Paul Kanter, Grace Slick, Jorman, Kaukonen, Jack Casady, David Crosby, Graham Nash, Jerry Garcia, Phil Lesh, Mickey Hart, Billy Kreutzmann, David Freiberg
They were billed as PERRO (Planet Earth Rock and Roll Orchestra)
The clip above is cued up to Jerry Garcia walking the band through Loser. It would be another month before the Grateful Dead's concert debut.
There's always something special about collaborating with those in your trusted networking group, that special audience that's happy to hear you out while you test out new tools and introduce new material.