A little bit of cypherpunk trivia. Bob was a close friend of John Perry Barlow, and Barlow wrote the lyrics for some of his best known songs. Bitcoiners will best know Barlow for writing "A Declaration of the Independence of Cyberspace". I wrote about the connection on SN a few years ago. Here's the link:
For the morbidly curious, see the link for the video of Weir leading an impromptu sing along next to Barlow's body.
Here's a photo of Weir and his wife with Barlow:
Aww, man. And not long after Lesh.
Edit: Okay, it's been over a year since Lesh, but it feels more recent.
Yeah, the end of an era. Donna Jean too:
https://en.wikipedia.org/wiki/Donna_Jean_Godchaux