The ten countries were revealed in the following order;
The excitement was building up both outside and inside the arena prior the Second Semi-Final, as the clock approached midnight local time in Baku.
The hosts of the show are Nargiz Birk-Petersen, Eldar Gasimov who won the Eurovision last year as part of Ell/Nikki and Leyla Alieva who are all eager to welcome the millions of viewers to Baku for tonight's show!
The eighteen acts competing in the Second Semi-Final of the 2012 Eurovision Song Contest are:
Serbia: Nije Ljubav Stvar sung by Željko Joksimović
FYR Macedonia: Crno E Belo sung by Kaliopi
The Netherlands: You And Me sung by Joan Franka
Malta: This Is The Night sung by Kurt Calleja
Belarus: We Are The Heroes sung by Litesound
Portugal: Vida Minha sung by Filipa Sousa
Ukraine: Be My Guest sung by Gaitana
Bulgaria: Love Unlimited sung by Sofi Marinova
Slovenia: Verjamem sung by Eva Boto
Croatia: Nebo sung by Nina Badrić
Sweden: Euphoria sung by Loreen
Georgia: I'm A Joker sung by Anri Jokhadze
Turkey: Love Me Back sung by Can Bonomo
Estonia: Kuula sung by Ott Lepland
Slovakia: Don't Close Your Eyes sung by Max Jason Mai
Norway: Stay sung by Tooji
Bosnia & Herzegovina: Korake Ti Znam sung by Maya Sar
Lithuania: Love Is Blind sung by Donny Montell
The postcards in between the performances portray Azerbaijan from many different perspectives.Prior to each song the lights on the Crystal Hall change to the colours of the flag of the country that follows.
After all of the contestants have performed. The 18 countries will televote, as well as viewers in France, Germany and the United Kingdom. The votes from the professional jury will then be combined with the televote which will then determine the 10 songs to qualify.
The interval act comprises the last five winners of the Eurovision Song Contest, namely Marija Šerifović, Dima Bilan, Alexander Rybak, Lena, and Ell & Nikki. Each of them accompanied by traditional Azeri instruments - a tar, a kemancha, a naghara, a saz, and a balaban. The five acts team up to sing Waterloo together, the song which brought the victory to Sweden's legendary ABBA in 1974.