A 2007 book described her songs as being "about the insanity of racism and war and the importance of humanity, peace and harmony".
[1] Under Apartheid, Ferguson was known for her blatant support for the then-banned ANC from the stage, which saw her targeted by security police.
In one instance government agents, using tickets bought with state funds, disrupted one of her concerts by releasing tear gas in a theatre.
[2] In 1997 Ferguson resigned from Parliament and started to split her time between South Africa and Sweden.
[3] In October 2017 Ferguson accused football administrator and politician Danny Jordaan of raping her 24 years before.