He was formerly the lead singer of the band Te and was a member of the jury in the second and third season of music show X Factor.
From 2000 to 2007 he was part of the group TE who released two albums – "Pronouns" and "Different" containing songs including "Are there flowers" "I'll find you", "I", "All Right" ( with Maria Ilieva) "other".
[citation needed] During the same period, Kirov participated in music events including concerts Simply Red, Incognito, Al McKay's Earth Wind And Fire Experience, Simple Minds.
The group took part in various initiatives and campaigns including "Sport against drugs" and "Bulgaria in the EU" in Brussels.
His joint project with Zhivko Petrov, "Life is beautiful" became quite popular with its video reaching over 1 million views.