Leni Sewart

Britten Sinfonia | Extra player | June 2022 — present 

London Chamber Orchestra | Extra player | Nov 2021 — Feb 2024 

Novello Orchestra | Tutti Violin | June 2024 — present 

Heritage Orchestra | Tutti Violin | Dua Lipa at Royal Albert Hall 2024; RAYE at the O2 2024 London Choral Sinfonia | Extra player | Nov 2024 — present 

Royal Philharmonic Concert Orchestra | Extra player | 2022 

London Schools Symphony Orchestra | Principal Violin | 2015 – 2016; Performed Sibelius’s Humoresque No. 2 on a tour across Sweden. 

COMMERCIAL AND THEATRE EXPERIENCE 

The Great Gatsby, West End | 2nd Violin Chair Holder | March 2025 — present
Charlie and the Chocolate Factory UK Tour | Violin Chair Holder | Nov 2022 – Feb 2024 Book of Mormon, West End and UK Tour | Deputy Violin/Viola | April 2022 – present Phantom of the Opera, West End | Deputy Violin | Aug 2022 – present
Hilary Skewes | July 2023 — present 

Bolt Strings Sessions | Dec 2024 — present 

Heritage Orchestra Abbey Road Sessions | Jan 2025 

Les Misérables Arenas Tour 2024/2025 | Deputy Violin 

My Fair Lady, Curve Theatre 2024 | Deputy 1st Violin 

Wizard of Oz UK Tour 2024 | Deputy Violin 

Burlesque The Musical 2024 | Deputy Violin 

Sondheim Old Friends Gala 2022 | 1st Violin 

Little Women, Park Theatre 2022 | Deputy Violin 

TEACHING EXPERIENCE CHAMBER EXPERIENCE 

Highgate School | Visiting Music Teacher (Violin) | 2024 – present 

Dame Alice Owen’s School | Visiting Music Teacher (Violin/Viola) | 2024 – present
Camden Music Service | Violin/Viola Tutor | 2024 – present 

Wetherby School | Violin/Viola Tutor | 2022
NORCA & Sistema in Norwich | Violin/Viola Tutor | 2019 – 2021
Mad Song Ensemble | High Barnet Chamber Music Festival 2021 | Performed songs by Müller-Hermann and Mahler, and Schoenberg’s Kammersymphonie No.1 The Arc Quartet | 2016 – 2019 | Coached by the Endellion String Quartet, Ligeti Quartet, Margaret Faultless, James Boyd and Robin Michael 

EDUCATION