Michael Hawn (a hymnologist professor at Southern Methodist University) recently posted Pete Seeger's contribution to 'We Shall Overcome'.

On the flip side of "Origins", consider the role of "We Shall Overcome" as one of the origins (the origin on the tune side) of the Zhu Yufu (朱虞夫, or Yufu Zhu) protest song "是時候了" — for writing which he was sentenced to, and I believe is serving, a seven-year prison sentence.