Amaia and Alfred were the second to perform at the Eurovision final, held on 12 May 2018 in Lisbon, Portugal. They placed twenty-third out of the 26 participating countries with 61 points: 43 from the professional juries and 18 from the televote.
Two days after returning from the Eurovision Song Contest, García started to record 1016, his first studio album with a major record label, Universal Music Spain. The album was preceded by the 1016 Is Coming tour in festivals across Spain in Summer 2018. In addition, García performed at a special charity concert of Operación Triunfo 2017 at the Santiago Bernabéu Stadium in Madrid on 29 June 2018, and made special guest appearances at concerts by David Bisbal or Love of Lesbian, among others.
"De la Tierra hasta Marte", the first single from 1016, was released on 5 December 2018. The album was released on 14 December 2018 and debuted at number 2 on the Spanish Albums Chart. In support of his debut studio album, 1016, García embarked on the 1016 Tour, which began on 28 February 2019 and ended on 9 November 2019.