[Unknown female singer] Which version of “Shenandoah” is this? Possibly from a film/TV soundtrack

I’m trying to identify this particular female-vocal version of the traditional song “Shenandoah / Oh Shenandoah.”

https://drive.google.com/file/d/1SqnNIsA68TBlE4jBiweCBAJQIx1_h9Mc/view?usp=drivesdk

It comes from a mysterious 28-track compilation CD I’m currently investigating. The disc mixes music, dialogue and recordings from very different periods and genres, including material connected to Gena Rowlands / Love Streams, Patti Smith, Nina Simone, Broadcast, Young Marble Giants and others.

I’ve already checked known female versions by Sissel Kyrkjebø, Emmylou Harris and Judy Garland, but none seems to match.

Does anyone recognize the singer or know where this exact recording comes from — album, film, TV, archival recording, etc.?