Film Credits:
"The Cage for Two" (For-Post Production/Ukrainian Cultural Foundation, 2019)
"Journey in the Void" (Zhar Production, 2019)
"Mission B.U.T.T." (Star Media Production/Campot Production, 2019)
"Der Turm des Schweigens" (1925), (Dovzhenko Centre, 2018)
"Into the Sunset" (Zhar Production, 2017)
"Pretty Ballerina" (Ukrainian State Film Agency/MiroGraph Production 2017)
"Voyage" (InsightMedia Producing Center, 2016)
"Ukrainian symbols: Anthem" (InsightMedia Producing Center, 2016)
"Ukrainian symbols: Flag" (InsightMedia Producing Center, 2016)
"Ukrainian symbols: Emblem" (InsightMedia Producing Center, 2016)
"Happy New Year!" (HovraH animation, 2015)
"Life is a chellenge" (HovraH animation, 2015)
“The Living Truth” (Totem Film Studio, 2012)  

Orchestral Music:
“Auf dem Spitze der Einsamkeit” for violin, clarinet, piano and orchestra (2009)
“Esprit de mer du Nord” for clarinet, piano and chamber orchestra (2010)
“Premonition of the Spring” for flute and string orchestra (2011)
“Poem” for harpsichord and orchestra (2013)
“Adagio” for clarinet, piano and string orchestra (2013)
“Winter Dreams” for flute, clarinet, piano and orchestra (2013-2014)
“When Spring Will Come” for orchestra (2014)
"Concerto Grosso" for violin, clarinet, harpsichord, organ and strings (2014)
"Strong and Courageous" for symphonic orchestra (2014 - 2015)
"Sunrises in France" transcription for violin and strings (2015)
"Minnewater's Legend"  symphonic poem (2015)
"Paper Birds" symphonic suite (2016-2019)

Chamber Music:
Suite in baroque style for clarinet and harpsichord (2010)
“The Cold Landscapes”, for violin and piano (2011)
 “Lvivian Sketches”, suite for cello and organ (2012)
“Les Grandes Eaux”, for trumpet and organ (2012)
Sonata for flute and piano (2012)
“Intrada and Meditations” for clarinet and organ (2012)
“Les trois muses”, 3 pieces for harpsichord (2012-2013)
3 preludes for organ (2013)
“Sunrises of France”, suite for 2 violins and clarinet (2013)
“The Aquarelles of Petersburg”, suite for piano (2013)
“Time out”, for kankles, birbyne and accordion (2013)
Quintet for piano, 2 violins, viola and cello (2013-2014)
"Postludium" for piano in 4 hands (2015)
"Reflexion" for harpsichord and accordion (2016)

Choral Pieces:
“Grave in the Field” adaptation of Ukrainian folk song (2010)
“Lord’s Prayer” (2012)
“The Prayer”, words by T. Schevchenko  (2014)
"Angel cries" (2015)

Electroacoustic Works:
"Fresco", electroacoustic composition (2014)
"Chateau de glace", for violin and electronics (2014)
"In the Cradle of Evening Sun", for guzheng and electronics (2015)

Published Scores:

"Paper Birds". A Symphonic Suite  (Full Score).  Kyiv, Muzyczna Ukraina, 2019.
ISMN 979-0-707527-83-2

Leontiev Sergii, The Music of Suspense in Hollywood Films. Lviv National Music Academy, Musicological Universum, Vol. 41, , Lviv, 2017.

Leontiev Sergei, Classical Music in Director’s Decision for the Scenes in Hollywood Films, European Journal of Arts, Vol. 2, Vienna, 2018.

Leontiev Serhiy, Role of Music in the Context of Action Films, Spheres of Culture / Ed. by Ihor Nabytovych, Vol. 17, Lublin, 2018.

Leontiev Serhii, Composition and Emotional-Content Filling of the Music of Sart Credits in Hollywood Feature Cinema, Academic Bulletin Of Kyiv National Karpenko-Karyi University Of Theatre, Cinema And Television, Vol. 23, Kyiv, 2018.

Leontiev S. The Role of Classical Music in the Drama of the Feature Film (on the Examples of Modern Western European and American Cinema, International Journal: Culturology. Philology. Musicology., Vol. II (11), Kyiv, 2018.