Hippie counter culture......there is a deeper reason that pilot in the  downed plane in the Colombian jungle......in Romancing the Stone..........had a Grateful Dead jacket.....

Goodbye To Shakedown Street, The Grateful Dead's ...

https://www.buzzfeednews.com/.../goodbye-to-shakedown-street-the-gratef...

Jul 2, 2015 - Grateful Dead concerts have long attracted a carnival of drug hustlers and self-reliant hippies to a parking lot bazaar known as Shakedown .