Story by Jake Feinberg
With Mary's passing two years ago, the trio has become a duo still performing, still imploring and still evolving.
They hit the stage on the evening of Friday, Nov. 8 at the Fox Tucson Theatre.
In our chat, Yarrow discusses a range of topics; from Thelonius Monk to Bob Dylan, and Woodstock to the Hollywood Bowl.
Through music, he continues to help build a nation of love, respect and authenticity in an era of ridicule and humiliation.