France, March 12 -- Ugandan pop star-turned-opposition leader Bobi Wine is at the heart of a documentary that charts his electoral challenge to long-time ruler Yoweri Museveni. The film was nominated for an Oscar.

Bobi Wine: The People's President, directed by Christopher Sharp and Moses Bwayo, puts the focus on Bobi, his supporters and his wife Barbara "Barbie" Itungo Kyagulanyi, an author, philanthropist and human rights activist.

Praised at festivals all over the world, it is now in American cinemas, and Wine hopes the Oscar nomination will help it reach a bigger audience.

This film tells the story of Wine, who rose to fame in his country, Uganda, as a musician, and whose popularity led him to enter a career in politics.

He first b...