When you say "Oleanna," I think of Theodore Bikel, every time. He milked that song for all it was worth...and let Geula Gill sing the melody in the chorus, while he harmonized.

And he wielded that great broad blade of a voice, in how many languages? From the recordings that I know of:

English, Polish, Yiddish, Russian, Hebrew, French, Spanish, Greek (Yerakina!),....