People refer to Theodosii Spassov as “the kaval player of the world”. Indeed, Theodosii Spassov’s fans all over the world form a very wide circle. Born on March 4, 1961 in the town of Isperih, he graduated from the Philip Kutev National School of Folk Arts in Kotel and then the Plovdiv Academy of Music, Dance and Fine Arts. He is acknowledged as a virtuoso kaval performer, who is capable of playing any folk melody with style. What makes him even more popular are his original ideas, the realization of which brings together musicians of diverse genres.

He was the first to play jazz on kaval and the mixing of traditional folk music with elements of jazz and classical music is at the basis of almost all original pieces composed by Theodosii. Theodosii Spassov developed his own unique playing style. His performances are an unusual synthesis of traditional folklore, jazz and classical music. In the recent years he has been busy composing scores for film and theatre, as well as music for symphonic orchestra and kaval. He has recorded over 38 CDs, containing solo performances and collaborations with various musical formations.

For over 20 years, Theodosii has toured all over Europe, Asia, the Middle East, Australia, Canada and United States. In 1994, he performed with Sofia Women's Radio Choir which was awarded with a Grammy award for ‘Le Mystère Des Voix Bulgares’. In April 1995, Newsweek magazine recognized Theodosii Spassov as one of the most talented Eastern-European musicians in its Best of the East article, noting that "Spassov… is not merely surviving the post-communist cultural wasteland. He has actually invented a new musical genre."

Theodosii Spassov has recorded 10 solo albums and has contributed to 11 albums by fellow artists, which have been noted worldwide. He has composed and performed numerous film scores including the French-Bulgarian feature film ‘Granitza’, (‘The Border’) in 1993. He has also recorded themes for films by Italian composers Carlos Siliotto and Ennio Morricone (‘An Italian Story’ and ‘The Breakout of the Innocent’).

At home in Bulgaria, Theodosii Spassov is a national figure and musical hero, and was recently honored with the Music Artist of the Year award. He is Artistic Director of the world-renowned Filip Kutev National Folk Song & Dance Ensemble

Fellow artists Theodosii has worked with: Jazz Linia, Trio ‘Bulgarka’, Dave Liebman, Dimitrios Vassilakis, Andy Sheppard, Yldiz Ibrahimova, Ennio Morricone, Jamey Haddad, Vesselin Nikolov, Albert Mangelsdorf, Mark Johnson, Ivo Papazov, Trilok Gurtu, Radio Sofia Orchestras, Kazumi Watanabe, Acoustic Version, Glen Velez, ‘Le Mystère des Voix Bulgares’, Rabih Abou-Khalil, Milcho Leviev, Dionisis Savopulos 

Concerts as a soloist in: Argentina, Australia, Austria, Brazil, Canada, Finland, Germany, Greece, Holland, India, Israel, Japan, Nepal, Russia, Spain, Switzerland, Turkey, the United Kingdom and the United States