Calema are a music duo from São Tomé and Príncipe with origins in Portugal formed by the two brothers António Mendes Ferreira (born 5 April 1992) and Fradique Mendes Ferreira (born 19 March 1987).

[2] While they were in France, they kept entering talent shows, winning one of them called "Luso artist".

[3] Three years later, Anselmo Ralph noticed them and made them enter the Portuguese music scene.

The song ended 2017 as the most viewed music video on YouTube sung in the Portuguese language that year.

[4] In February 2019 they were announced as the composers and interpreters of the song "A Dois", which participated on the Festival da Canção 2019.