If you get a chance, watch the documentary "Under African Skies". It’s about the making of ’Graceland’. But, the backstory demonstrates how Paul helped to bring South African music to the world. This was when apartheid and politics were formidable obstacles. There are some amazing scenes showing his journey of discovery. It’s quite uplifting.
Here’s a trailer.https://www.justwatch.com/us/movie/paul-simon-under-african-skies
Here’s a trailer.https://www.justwatch.com/us/movie/paul-simon-under-african-skies