Kiril Marichkov was born on October 30,1944, his musical career began in 1963 as a co-founder and bass player of the first rock group in Bulgaria - Bandaratsite. After its breakup in 1966 Marichkov together with Peter Tsankov founded Shturtsite, which later became the most popular and successful rock band in Bulgaria. He is the group's leader, lead vocal, bass player and main composer.
Shturtsite have released eight full length albums (including one double) and one live album. Group's hits became one of the most played and beloved rock songs in Bulgaria.