Bulgarian bass Petar Naydenov began his musical training as a violinist and later studied voice at the National Academy of Music in Sofia. He improved his skills under the guidance of famous artists like Ghena Dimitrova, Nicola Ghiuselev and Roberto Scandiuzzi. Petar Naydenov gave his operatic debut in the age of 24 as Sarastro in Die Zauberflöte at the Slovene National Theatre Maribor and made his debut in the title role of Don Giovanni at the Sofia National Opera, followed by Figaro in Le nozze di Figaro. Guest appearances took him to Theater St.Gallen in the roles of Silva in Ernani and Commendatore in Don Giovanni, the Cairo Opera House as Ramfis in Aida, Grand Théâtre de Tours as Fiesco in Simon Boccanegra, the Finnish National Opera as Don Basilio in Il Barbiere di Siviglia, Landestheater Linz as Gremin in Eugen Onegin and Don Basilio, the Bucharest National Opera as Sarastro, the Sofia National Opera as Zaccaria in Nabucco, Nilakantha in Lakme, Don Basilio, Galitsky in Prince Igor etc.
During the last season Petar Naydenov sang Sparafucile in Rigoletto at Oper Schenkenberg in Switzerland, Don Basilio at the Bergen International Festival and at Aurora Opera in Gozo, Ramfis at the Cairo Opera House, Conte di Walter in Luisa Miller at Oper Graz, Gremin at Malmö Opera, Filippo II and Galitsky at the Sofia National Opera. His future plans include Filippo II at the Cairo Opera House and Gurnemanz in Parsifal at the Sofia National Opera.