Four national electronic media - Bulgarian National Radio, Bulgarian National Television, private bTV and Darik radio united to promote Bulgaria's NATO bid with a mega concert. The jamboree named "Bulgaria in Favor" will gather the country's singing elite on September 27. The world-famous singers of authentic Bulgarian music trio Bulgarian Voices Mystery and Valya Balkanska will perform along of pop acts as D2, BTR, Rumunetsa&Enchev and Kiril Marichkov in the St Alexander Nevski Cathedral square. One of Bulgaria's most popular jazz singers Yeldiz Ibrahimova and TV star Slavi Triffonov with his Ku-Ku Band will also feature in the mega event. Bulgaria's Foreign Minister Passy will have his most unconventional appearance at the concert singing along with the music sensations. The giant event will air life on all four media that run the Bulgaria in Favor project.