Kirov was a some-time drummer for the Doom Metal group Mortal Remains, and later became part of the group Mr. White, which recorded the single "Something funny."
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". TE was awarded the First Prize at the International Media Festival "Albena" in the "Concerts" for the realization of "TE Unplugged" DVD.[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.
In the spring of 2007 Lubo left the band TE and launched his solo career. His first solo single – "Again, I believe" – won the radio competition "Golden Spring". In 2010 Lubo released his first solo album, "Lubo 2010" which includes songs "I Can", "Govori Mi na Ti" "You and I" (with people from the ghetto), "Na Kraya na Sveta", "Forbidden love" (as the eponymous series of New TV), and "Tonight" (with Italian singer Alessia D'Andrea).
Kirov has participated as guest vocalist in various musical projects. His joint project with Zhivko Petrov, "Life is beautiful" became quite popular with its video reaching over 1 million views.[citation needed]
Since 2021, Kirov has been a judge on The Voice of Bulgaria.
