 The rise of cultural, social, and political emancipation of Cape Verde in the 1930s was reflected in the literary reviews "Claridade" and "Certeza", that published works from Cape Verdean authors like João Cleofas Martins, Luís Romano de Madeira Melo, Ovídio Martins, Jorge Barbosa, António Aurélio Gonçalves, Henrique Teixeira de Sousa and Baltasar Lopes da Silva (Osvaldo Alcântara).After independence, there are modern writers such as Germano Almeida, Manuel Veiga, Arménio Vieira, Orlanda Amarílis and more.Cape Verde is known internationally for "Morna", a form of folk music usually sung in the Cape Verdean Creole, accompanied by clarinet, violin, guitar and cavaquinho.