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.

Miquel "Miki" Núñez Pozo is a Spanish singer and television personality from Terrassa. He gained national recognition after placing sixth in series ten of the reality television talent competition Operación Triunfo. Núñez consequently represented Spain at the Eurovision Song Contest in 2019, with the song "La Venda". The singer would release two studio albums afterwards through Universal Music, Amuza (2019) and Iceberg (2020) to great commercial success.