Freedom Now by Tracy Chapman is a powerful protest song that speaks to the struggles against racial injustice and the fight for civil rights. The song is a tribute to Nelson Mandela and the anti-apartheid movement in South Africa. Key themes include social justice, freedom, and resistance against oppression. Particularly poignant moments in the song include the calls for liberation, the recognition of the sacrifices made by activists, and the emphasis on unity and collective action to achieve freedom.