Musician Gilberto Gil on riots, politics and football

The summer has seen protests in Brazil which began when a simple dispute over bus fare rises in Sao Paulo and Rio de Janeiro prompted a police crackdown.

Since then disgruntled Brazilians have used the Confederations Cup football tournament as a backdrop for demonstrations tied to a whole raft of social grievances.

More recently the Pope's week-long tour of the country - which climaxed with a huge gathering on Rio's Copacabana beach - has highlighted great inequalities.

Newsnight's Stephen Smith caught up with the Brazilian musician, campaigner and former Minister of Culture, Gilberto Gil, to ask him about what is happening in his country.