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Callum Au is a British composer, arranger, orchestrator, and trombonist. He writes music across a wide range of genres, with a particular passion for big band and large jazz ensemble music. He is highly regarded for his stylistic awareness and versatility, and has worked with some of the world’s biggest artists, including Quincy Jones, Michael Bublé, and the Metropole Orkest.

Callum Au
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Selected Work Portfolio

Over the past ten years, Callum has established himself as one of the busiest arrangers and orchestrators in the country. He has worked alongside many of the world’s top commercial artists as a composer and arranger. He is at home writing anything from new compositions for contemporary big band to large scale arrangements for full orchestra.

Full Work Portfolio

An album full of sheer joy

 – full of invention, talent, virtuosity, passion and an overwhelming feeling that a large collective of musicians were all in absolute unison and enjoying every minute of it… as indeed every listener should, as well.

Parliamentary Jazz Awards
‘Album of the Year’ 2021

available on Vinyl, CD and digital

get it here
Callum Au & Claire Martin 'Songs And Stories'

Au clearly possesses his own 24-carat storytelling gift”

Peter Quinn

Jazzwise Magazine

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Au clearly possesses his own 24-carat storytelling gift.

Peter Quinn

Jazzwise

Callum Au is an extraordinarily gifted musician. His ability to write and arrange with such sensitivity and depth of emotion is breathtaking and his knowledge base is wide, sophisticated and deeply impressive. Callum understands and respects lyrics and always beautifully frames singers to let them shine. What a joy to work with him and to witness his star ascending.

Claire Martin, OBE

vocalist

…the remarkable young arranger Callum Au is already a master [of the] mysterious art of orchestration and arranging.

Dave Gelly

The Observer

Over the past six years, Callum Au has become my most trusted musical collaborator. A musician’s musician, he is the consummate arranger/orchestrator who can take any idea and run with it — never ceasing to amaze! In an era short on Nelson Riddles, Callum remains peerless — filling this void with his own remarkable style, taste and musicality.

Matt Forbes

vocalist

*****
These are the songs and stories you are unlikely to ever tire of listening to. Callum Au, with his bright, scintillating arrangements has achieved the near impossible, turning 11 sturdy but well-worn standards into fresh music.

Derek Ansell

Jazz Journal

Callum is an astonishingly gifted musician. He is able to produce world-class arranging for any ensemble at lightning speed. I have in the past commissioned him at 10.30 in the morning or thereabouts and had a set of parts beautifully copied out by the start of the bandcall at 4 on the same day. Similar standards apply to his trombone playing. A seemingly effortless technique is backed up by flawless reading and ear playing. Best of all, he’s a really generous musician, who revels in developing the skills of those around him. And he knows a lot about food.

Pete Long

musician / band leader

This album [Songs And Stories] is a glorious thing, with incredible instrumental and vocal performances. Filled with beautifully balanced and nuanced orchestrations, as a fellow orchestrator, I am full of admiration for Callum Au.

Rachel Portman OBE

composer / orchestrator

Ultimate Big Band Toolkit

The Musician’s Guide to the Big Band by Louis Dowdeswell & Callum Au

available for Trumpet, Trombone, Saxophone, Drums, Bass, Guitar and Piano – contains PDF eBook with Short Guide, world-class tutor instructions, audio and a bonus album ‘On Stage!’

£19.99 each

As well as being in demand as a writer, Callum has been a member of the Ronnie Scott’s Jazz Orchestra since 2012 as a trombonist.

He has worked with most of the top big bands and jazz ensembles in the UK, for multiple West End musicals, at the BBC Proms, and as a session musician on many recordings for film and TV.

Callum Au

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