Amaia Romero Arbizu, known mononymously as Amaia, is a Spanish singer-songwriter, pianist and actress. After participating in many talent shows, she gained national recognition after winning series nine of musical television contest Operación Triunfo, later representing Spain alongside fellow competitor Alfred García at the 2018 Eurovision Song Contest with "Tu Canción". Romero later signed with Universal Music and released her debut album Pero No Pasa Nada in 2019.

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