Miriam Makeba sang a famous song about the 16 June 1976 uprising in her birthplace, South Africa. The protest was a pivotal point in the fight against apartheid and white minority rule in the country. The song was called Soweto Blues and its opening lines go:

The children got a letter from the Master.

It said no more Xhosa, Sotho, no more Zulu

Refusing to comply they sent an answer

That’s when the policemen came…