Once finished the contest , Roi was part of the Spanish '' Operación Triunfo '' tour , performing in such notable venues as the Palau Sant Jordi in Barcelona , the Olympic Stadium in La Cartuja in Seville , and the Bizkaia Arena in Bilbao . On 29 June , Roi and the rest of contestants of '' Operación Triunfo 2017 '' gave a special charity concert at Santiago Bernabéu Stadium in Madrid , which was attended by 60,000 spectators . He released his first single " Por una vez más " on 15 June 2018 . It got more than one millions of views on YouTube . During the '' Operación Triunfo 2017 '' tour , Roi performed his debut single " Por una vez más " and " Shape of You " with Amaia Romero . In May 2018 Roi was chosen one of the members of Spanish Eurovision jury during Eurovision Song Contest 2018
Eurovision Song Contest 2018
Eurovision Song Contest 2018
Roi Méndez