NUBN is a Brazilian electronic duo based in Barcelona. It is a collaboration between the electronic producer and saxophone player Júlio Marks and the singer Marina Ribeiro. They blend Brazilian music with contemporary electronic beats to deliver tropical freshness influenced by the best Brazilian music such as Caetano Veloso, João Donato, Marcos Valle, Gil, Elza Soares, Céu, Bebel Gilberto. The project started in early 2020 and their debut single was released in December 2020.