Ros Stephen is a violinist, violist, composer and sound designer based in London, UK. She composes, records and produces music for film and TV and performs regularly as a violinist in chamber groups, orchestras and in West End theatre. In 2024 she will be performing in the new West End production of Hadestown at the Lyric Theatre. Please click here for more info.

The teaser trailer music for the Netflix film “Glass Onion”, which Ros worked on in collaboration with Attila Áts and JDM Music and Sound, won the 2023 Golden Trailer Award for Best Original Score.

Ros’s track “Cobalt” published by Elephant Music was nominated for a 2022 Production Music Award in the “Best Contemporary Classical Composition” category. Click here to listen.


Recent Movie and TV Trailer Placements

Only Murders in the Building – Season 3 Finale Trailer

Glass Onion: A Knives Out Mystery – Teaser Trailer

*WINNER* of Best Original Score at the 2023 Golden Trailer Awards

The Fall of the House of Usher – Main Trailer

Interview with a Vampire – Season 2 Main Trailer

The Whale – A24 TV Spot

XBOX Developer Direct

Overwatch 2 season 5

Fantastic Beasts Teaser

Fantastic Beasts: The Secrets of Dumbledore – Mads Mikkelsen’s Grindelwald

Fantastic Beasts Featurette

In The Heights Trailer #2

Downton Abbey: A New Era – Official Trailer

Mothering Sunday – Official Trailer

The Dropout – TV Spot

Nope – Official Trailer (Sound Design)

Scream 5 Featurette

HBO’s Oslo – Official Trailer

 Disney’s Cruella “Get Mad” trailer (string arrangement and recording)


Mr Jones – Official Trailer

The Reason I Jump – Official U.S.Trailer

Custom strings on Burn It All – Official Trailer

Custom live fiddle on Finding You – Official Trailer

Sound Design on Promising Young Woman Trailer 2

Sound Design in Servant Official Trailer

Utopia – Teaser Trailer

Sound design featured in You Should Have Left – Official Trailer

Samuel Adams Restaurant Strong Fund – US TV Ad

The Souvenir – Official Trailer

Sound Design in the Countdown Trailer

 Sound design in Disney+ Togo trailer

 2018 Oscar Nominations Announcement:


Recent albums featuring my music:




“Intimate” Film Trailer album for BMG Production Music (including tracks featured on the 2018 Oscar Nominations Announcement)

Gothic Storm

Ros has contributed tracks to these Gothic Storm albums:



Colossal Trailer Music Albums:


Hollywood Land – Tracks 2 (Cut to the Chase) and 4 (Down to the Wire) by Ros Stephen and Nick Tzios.

Epiphany – Beautiful Orchestral (featuring two tracks by Ros Stephen and Nick Tzios)