Erik Darling (who I knew slightly) never played with the Tarriers. That was the very different Eric Weisberg, who still is working in the mileu.
Alan Arkin wasn't a fplkie. But his cousin Steve Arkin was a formidable banjp picker who played with Bill Monroe for a season or two.
The Holy Modal Rounders are still around and working the college circuit along with their alter egos, the Fugs (of whom I played with for one season a jillion years ago.) Some of the Rounders are also part time Fugs, depending on who gets the gig.
An truely beautiful group from Canada who opened for Ian and Sylvia (after they got too big to open for Phil Ochs) was Jim and Jean. Their version of Grand Hotel still haunts me. Anyone know all the words?