The above Bobby Campbell piece promotes the John Sinclair "Intergalactic Broadcast" for John Sinclair, the poet, marijuana legalization activist, and former manager of the MC5, a band mentioned in Illuminatus! The event will mark Sinclair's 80th birthday. More here.
Steve Pratt has worked with Sinclair for years in Amsterdam with radio shows. Radio Free Amsterdam is "Blues Jazz Reefer Music Programmed By John Sinclair."