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. Ros is currently performing in the London West End production of Hadestown at the Lyric Theatre, Soho. Please click here for more info.


The teaser trailer music for the Netflix film “Glass Onion”, with music by Ros Stephen Attila Áts, published by JDM Music and Sound, won the 2023 Golden Trailer Award for Best Original Score.

The trailer for “Fall of the House of Usher”, with music by Ros Stephen and Attila Áts, published by JDM Music and Sound, won best Horror/Thriller (TV Spot/Trailer/Teaser) for a series at the 2024 Golden Trailer Awards.

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.

Listen on Spotify


Recent Movie Trailer Placements

NETFLIX | Bridgerton | Season 3 Part 2 Trailer

HBO | The Great Lilian Hall | Official Trailer

HBO | The Regime | Episode 6 Preview

Hulu & Disney+ Promo

The New Look — Official Trailer | Apple TV+

Who Are You, Louis? | Interview with the Vampire Season 2 | AMC+

COPA90 Stories | Argentina Trailer I Once In A Lifetime

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: