As a prolific arranger, composer, performer, producer, and educator, he has become a veteran in the a cappella and vocal harmony field, touring worldwide with his acclaimed internet sensation group, Accent.

James has an extensive portfolio of arrangements and originals for prominent groups, choirs and bands, including The Real Group, Voces8, Naturally 7, The Swingles, Rajaton, Perpetuum Jazzile, NBC’s ‘The Sing-Off’ winners Committed, The Filharmonic, Arturo Sandoval, Black Voices, Peter Hollens, Women of the World, The Aeolians and the National Youth Choir of Great Britain. He worked as a vocal group mentor and arranger for BBC1’s prime-time show, ‘Pitch Battle’, collaborating closely with Bebe Rexha. Additional TV vocal arranging and coaching work includes BBC’s ‘The One Show’ & CBBC.

Driven by a love of teaching, James works as the vocal arranging professor at ICMP and Guildhall School of Music in London as well as a group director at A Cappella Academy (, alongside workshopping internationally with vocalists and choirs worldwide. He also composes for videogames, creates musical apps, and is a producer of original electronic music, currently gearing up to release his second solo record.

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Become an iconic Vocalist with ICMP

Standing in the spotlight and making yourself heard might sound daunting, but ICMP has trained and supported world-class performers for more than 30 years. Our faculty of outstanding veterans have dedicated themselves to providing all the technical, performance, marketing, theory, business, production and additional skills you need to carve a career in the music business. We’ll also open the doors to our rehearsal rooms, recording studios, special events, masterclasses, and a unique community of contacts, collaborators, and lifelong friends.

Call our friendly Admissions Team on 020 7328 0222 or email to discover your voice and career in music today.

Vocal courses