Some years ago, the Palácio de São Bento suddenly shook from visitors singing Zeca Afonso’s 1972 Grândola, Vila Morena in protest against Prime Minister Pedro Passos Coelho’s neo-liberal politics. Do the Carnation Revolution’s dreams live on in verses such as "On each corner there's a friend / In each face there's equality / Grândola, brown town / Land of fraternity"?