"Watergun" is a song by Swiss singer Remo Forrer, released as a single on 7 March 2023.

[4] SRG SSR opened a submission period between 25 August 2022 and 8 September 2022 for interested artists and composers to submit their entries.

Artists and songwriters of any nationality were able to submit songs; however those with a Swiss passport or residency were given priority.

[5] Songs shortlisted from the received submissions were then tested by their music producers with various artists and the combination of a 100-member public panel (50%) and the votes of a 23-member international expert jury (50%) selected the Swiss entry.

[10] According to Eurovision rules, all nations with the exceptions of the host country and the "Big Five" (France, Germany, Italy, Spain and the United Kingdom) are required to qualify from one of two semi-finals in order to compete in the final; the top ten countries from each semi-final progress to the final.