How did it come about that you heard a lot of South African music.
Fascinating. What’s it sound like?
If you were into shortwave radio in the 1970’s South Africa was a big player in shortwave, booming broadcasts overseas called “Radio RSA” and beaming its local stations in English and Afrikaans to remote areas of the country aimed directionally so the beams kept going towards the USA.
This You Tube link traces the history of Springbok Radio from 1950 to its end in 1985.
https://www.youtube.com/watch?v=7k4U661TZIQ