Raül Fernández Miró, better known as Raül Refree, is a Spanish music producer, musician and composer.

Sílvia Pérez Cruz is a Catalan and Spanish singer and composer. In 2012, she recorded her first solo album, 11 de Novembre, which was nominated for album of the year in both Spain and France. A song performed by her, "No Te Puedo Encontrar", received a Goya Award for Best Original Song for 2012. In 2014, she released her album Granada. Both releases have been in collaboration with Raül Fernández Miró. She received another Goya Award for best original song, for the song "Ai, ai, ai", composed and performed by her, for the film At Your Doorstep (2016). In 2022, the Spanish Government awarded her the "Premio Nacional de la Músicas Actuales". In her latest album, "Toda la vida, un día" (2023), Cruz "recreated her whole life in a single album, embarking on what would become a year-long work recorded in Barcelona, Pontós, Madrid, Jerez, Buenos Aires, Coatepec and Havana."