New song out now: Farewell by Brynley - featuring my string arrangement → Listen
Composer | Orchestrator | arranger

leo

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Based in London, I compose music for film and other media, and arrange and produce for artists and collaborators. I also offer orchestration, music copying, and music preparation services. Explore examples of my work and stay up to date with my latest projects and releases.
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About ME

I am a Trinity Laban Conservatoire graduate renowned for my distinctive compositions and performances.

Uncover my path from excelling in trumpet to creating music for different types of media and receiving acclaim under the guidance of esteemed composers.

a passionate cOMPOSER with CREATIVE IDEAS

Learn more about my journey and the inspiration behind my remarkable artistry.

my services

Expertise in music composition, arranging, music preparation, and orchestration. I use my passion and deep understanding of music to create compositions that tailor to your needs.

01

Media composition —

If you are looking for music for your media, whether it is a film, short film, video game, or documentary, I would be happy to help. I offer bespoke compositions tailored to your specific needs and deadlines, or you can choose from a curated selection of music from my portfolio, available for licensing. Let's bring your story to life through music!

Request a Quote Here
02

ORCHESTRATION—

Looking for your music piece to be professionally orchestrated? Provide me with your score and details (e.g. ensemble size, involved forces), and I will deliver the finished orchestration to you.

Request a Quote Here
03

Arranging—

I collaborate to refine and enhance music for any ensemble, aligning with the creator's vision. I suggest changes to style, arrangement, and instrumentation, add finishing touches, and ensure the final product meets all creative goals.

Request a Quote Here
04

MUSIC
PREPARATION—

I provide excellent music preparation and copying work in an efficient fashion, and to an exceptional standard. I work in a professional way to ensure my client gets what they need.

Request a Quote Here
05

ORCHESTRAL PROGRAMMING—

I excel in realising a piece of music for orchestra or other ensembles through using virtual instruments to make the most realistic sound possible. This allows for clear and professional music, without the hiring of a recorded orchestra or large-scale ensemble.

Request a Quote Here
06

MUSIC
tutoring—

I offer tailored tutoring sessions in composition, trumpet and music theory, designed to meet the needs of students of all ages and abilities. These sessions can either be online or London-based (travel fees may incur).

Request a Quote Here

New song

New song out now: Farewell by Brynley - featuring my string arrangement
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Latest
Work & Tracks

My latest tracks highlight my talent for crafting complex compositions, blending styles with creativity, showcasing my work for my clients in London.

View all work

introduction

life is about making an impact today

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paul hills

work hard
play harder

travel nomad

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” Music is an experience, not a science.”

Ennio Morricone

testimonials

"Leo is a talented and thoughtful young composer, with a distinctive and original way of approaching composition for film. Leo’s music for my short film, Gertie Hooper Vs the Committee, was a key element of the emotional journey of the characters and of the film’s structure. Leo is also a keen collaborator and a pleasure to work with. I’m sure he will have every success and I’m really looking forward to seeing what he does next."
Melissa Rees Herman
Filmmaker
"I've worked with Leo on many occasions, and I would say that these projects have been my most favourite to be a part of. From the rehearsals, recording processes, and outcomes. His attention to detail is second to none, and has the ability to create a wide variety of different themes and genres for his work. I really hope to continue to work with Leo in the future!"
Isobel McKeeve
Clarinettist
"Leo did a brilliant job for me. Highly recommended for any composing and/or assisting roles."
Theo Elwell
Composer & Violinist
"Leo is a true professional and a pleasure to work with. He recently undertook a music preparation job for me - he is conscientious and ultra detailed. Highly recommended!"
Adam Saunders
Adam Saunders
Musician & Composer
"I recently mixed a score Leo composed for an experimental short film. His work is remarkable, and he's a pleasure to work with. Highly recommended!"
Tom Lowe
Sound Designer & Editor
"I recently mixed a score Leo composed for an experimental short film. His work is remarkable, and he's a pleasure to work with. Highly recommended!"
Tom Lowe
Sound Designer & Editor
"Leo has been working for me on two long running projects for a while now. To give you an idea of his professionalism, I briefly told him about a song I wanted to get a better mix on. The song had been in some development trouble as the previous composer had become extremely slow at replying/providing any updates. Overnight Leo gave me a new mix! And it was near perfect! This was not a one off. Leo has continually been an excellent and fast collaborator. I cannot recommend him enough!"
"Leo Holder composed the scores for two of my films, and his work was outstanding. He brought emotion, depth, and a cinematic quality that truly elevated both projects. Leo is collaborative, talented, and a joy to work with. I highly recommend him to any filmmaker in need of a great composer."
Naomi Furugen
Filmmaker
"Leo composed a score for our short film and did a remarkable job showing such professionalism and time keeping. The score was fantastic, fitting the brief perfectly. Such a kind and talented individual!"
Lydia Huby
Filmmaker

Letterboxd reviews

"That scene where it just played Clooney’s films was so weird..

I felt like some scenes had top tier writing, to then be completely ruined by the next scene, because of how different they felt stylistically to the scene before.

I just have an issue understanding what the film was trying to say, it seemed to be even unsure itself. Characters were thrown in and not really developed in a coherent way, as well as some techniques which didn’t really hit well enough.

The little bits of humour added something which kept me going, the cheesecake joke, Kelly being handed a drink every time he says he’s alone and drowned in self-pity.

I just think the structure is a bit all over the place, however for a long film I was attentive and able to watch it without feeling it was too long, which is a good sign of course. There seemed too many plots going on at once with the result turning out a bit of a mess, lack of cohesion/tying together each character’s story.

I love Clooney as an actor, and many of the actors cast in this slightly odd comedy-drama, but I do question their intent in being part of this film. It felt like a film made by a first timer but having been given a cast full of famous stars.

Now for the lighthearted part of my review: I did not at all expect to see Stath from Stath lets flats, Syril Karn, Lenny Henry all starring in the same film as George Clooney but I guess that’s movies for you."
Jay Kelly
2025
"Loved this. What I find really interesting is how Tom Ripley grows in confidence and finds his footing as a serial liar and trickster, with a few murders on his journey. Is this Delon himself discovering his character as the film was shot, or his character doing so? It’s a notion I’m wondering given this film being his breakout role. I had actually watched the Matt Damon/Jude Law/Paltrow version before seeing this 1960 Patricia Highsmith adaptation, so I went into the theatre not knowing it would be the word Ripley that told me what the plot was going to be. I much prefer this Clement version, as much as Matt Damon shines in the ‘99 one. I am in love with Nino Rota’s warm, gently swaying music, having also watched another beautiful score of his in 8 1/2. Clement’s choice of shots is perfect in every scene, true wizardry in how to enhance tension, drama, romance, and anticipation whilst keeping the feeling of reality and time. The film stops still and is left ambiguous as Tom Ripley supposedly walks towards his fate, gleely smiling and unaware of the discovery of Greenleaf."
Purple Noon
1960
"Incredible watch. Such a beautiful way to make a film, I love the use of silence and how shame is portrayed, when a character can’t look at the other person or can’t let them see their reaction."
A Wife Confesses
1961
"I’m really starting to love Pacino, every performance is so perfectly done, and Robin Williams’ experience in comedies gave this disturbing character he played an extra lift. The way Nolan uses quick cuts while Dormer tosses and turns in his bed to portray his inability to rest is so clever and also visually so compelling.Swank does the rookie role really well, I enjoyed how Burr’s innocence is mixed with a very sharp mind, and the relationship she and her character develop with Pacino and his character respectively kept me engaged."
Insomnia
2002
"I’m glad to have experienced a Raindance Film Festival Q&A with Nasubi, a man who has so much to say and has so much to give. His story is a sad one, but he speaks with such respect and I can only admire his determination through such a cruel reality show. To then have climbed Everest and offered help to those injured in the earthquakes, I can’t believe I haven’t heard his story before this. I am grateful to have handed his tickets to him in the screening room!!As for the film - a very compelling and interesting directing style, and the director spoke with a lot of respect for a heavy subject matter, being Nasubi’s trauma from reliving his experience in Denpa Shōnen".
The Contestant
2023
"I really liked this, there’s this way Reichardt uses longer sequences/less cuts in certain parts where it just made it more compelling and added to the story. I liked the ending, and how the film doesn’t over-explain things, it is more subtly nudging you with suggestions on place, what’s happening, and what the character is feeling. Also there’s not too much dialogue but it felt right, I think some films can go heavy on dialogue so it was a nice changeGreat score too!!"
The Mastermind
2025
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