In the final, public televoting exclusively selected "Voda" (Вода) performed by Elitsa Todorova and Stoyan Yankoulov as the winning entry with 31,376 votes.

[4][5] On 24 October 2006, BNT opened a submission period for artists and songwriters to submit their entries until 12 January 2007.

[6] On 14 January 2007, the eighteen artists and songs selected for the semi-final of the competition by a twelve-member committee were announced.

The twelve-person jury consisted of Vili Kazasyan, Toncho Rusev, Alexander Petrov, Ana-Maria Tonkova, Jivko Petrov, Vasil Stefanov, Magomed Aliyev-Maga, Slavcho Nikolov, Georgi Kushvaliev, Angel Zaberski, Misho Shishkov and Mariana Popova.

[16] Elitsa Todorova and Stoyan Yankoulov made several appearances across Europe to specifically promote "Water" as the Bulgarian Eurovision entry.

On 15 March, Elitsa and Stoyan performed "Water" during the Greek Eurovision national final Feel the Party.

[17] Between 21 and 24 March, Elitsa and Stoyan took part in promotional activities in Croatia and Serbia where they made radio and television appearances, including a performance during the Francophonie Night event which was held at the Sava Centar in Belgrade.

[18] On 25 March, the duo performed during the Stars of Europe concert which was held at the Colosseum in Rome, Italy.

[20] According to Eurovision rules, all nations with the exceptions of the host country, the "Big Four" (France, Germany, Spain and the United Kingdom) and the ten highest placed finishers in the 2006 contest are required to qualify from the semi-final on 10 May 2007 in order to compete for the final on 12 May 2007; the top ten countries from the semi-final progress to the final.

On 12 March 2007, a special allocation draw was held which determined the running order for the semi-final and Bulgaria was set to open the show and perform in position 1, before the entry from Israel.

The stage colours transitioned from blue to red during the instrumental part of the song and the LED screens displayed clouds and lightning as well as water imagery.