The song was written by Isra Dante Ramos Solomando, Roberto la Lueta Ruiz, and Sara Jiménez Moral.

Promotion of the entry consisted of a tour of a selection of nations participating in the contest, including Denmark, England, Spain, Sweden and the Netherlands.

[1] Its debut entry in the 2008 contest, "Complice" performed by Miodio, failed to qualify for the final and placed last in the first semi-final.

[5] Her 2021 song, "Adrenalina", performed alongside American rapper Flo Rida, qualified for the final, eventually placing 22nd.

[6] Una voce per San Marino 2024 was the third edition of the national selection format developed by SMRTV and Media Evolution S.r.l.

All rounds took place at the Sala Polivalente Little Tony in Serravalle on 15 and 16 February 2024,[7][8][9] and were hosted by Ilenia De Sena and Camilla Spinelli.

[20] Starting on 19 November 2023 and until the final of 24 February 2024, SMRTV aired a 15-minute daily broadcast presenting the participating artists, hosted by rapper Irol [it].

From 27 November 2023 until January 2024, interested artists could submit anything from short recordings to complete compositions, with the dedicated platform, powered by artificial intelligence, helping to enhance them.

By 9 January 2024, a committee selected the ten best suggestions to take part in a songwriting camp hosted by producers TommyD and Stefan Moessle in London between 18 and 21 January 2024, where they came down to four full compositions; the jury of Una voce per San Marino, helped by feedback from the public, then selected one of these to qualify for the final, announced along the other pre-qualifiers on 19 February 2024.

[35][37] The winner of the final was Megara with the song "11:11",[38] written by Isra Dante Ramos, Solomando, Roberto la Lueta Ruiz and Sara Jiménez Moral.

[39] The professional jury consisted of Celso Valli (chair), Anna Bianchi, Clarissa Martinelli, John Vignola [it] and Steve Lyon.

[48] In late April 2024, "11:11" was revamped in collaboration with producer Jose Pablo Polo ahead of the contest, with the new version to premiere directly at Eurovision.

[54] The shows' producers then decided the running order for the semi-finals; San Marino was set to perform in position 10.

[65][66] The Sammarinese jury consisted of Augusto Ciavatta, Viola Conti, Michele Giardi, Nicola Giaquinto, and Camilla Ortolani.

Additionally, no member of the national jury was permitted to be related in any way to any of the competing acts in such a way that they could not vote impartially and independently.