Watch:

With Mixed Effects (Monodrama, 2020)

First performance: The London Center for Peace and Reconciliation

Soprano: Anna Gregg
Ensemble: Sara Flores-Montes and Harry Harrison
Live electronics: Matt Geer 

Sane and Sound (Opera, 2018)
First performance: Milton Court Theatre, London - April 2018

Subsequent performances include the Grimeborn Opera Festival and the Barbican's Culture Mile Festival.

Pre-show talk: Jonny Benjamin MBE
Director: Katie Bunting
Composer and librettist: Matt Geer
Conductor: Finan Jones
Assistant Conductor: Naomi Butcher

Score followers

Not Quite Three, 2025 (piano)

Soft Geometry, 2025 (electronics)

Birthday Piece for MLK, 2025 (piano)

Valet will ich dir geben, 2025 (organ)

Angelus Canon, 2025 (percussion trio) 

intake, trace, 2025 (three voices)

Lux Interrumpitur, 2025 (choir and organ)

Habemus Papam, 2025 (two trumpets) 

Extra Omnes, 2025 (organ)

In Sede Vacante, 2025 (string quartet and chimes) 

Ikon of the Unseen Light, 2025 (string quartet and piano)

System No. 2, 2025 (electronics)

The Sussex Mummers' Christmas Carol by Percy Grainger, arr. for organ by Matt Geer

Come, Comforter, 2025 (organ)

Spirit of Peace, 2025 (piano)

Soli Deo Gloria, 2025 (piano)

Eat Seventeen, 2019 (baritone, cello and piano)

In Via, 2025 (organ)

Variations on a theme by Satie, 2024 (piano)

Bethlehem, 2024 (organ)

Alexis, 2024 (electric piano)

Octoechoes, 2024 (organ) 

Continuum, 2024 (organ)

Study for Stillness and Speed, 2024 (violin and viola)

Electrostatique, 2024 (electric piano)

Suspended Light, 2024 (violin and harmonium)

Seurat's Christ, 2024 (string quartet) 

In Temporal Hold, 2024 (bassoon)

Pieta, 2024 (electronics)

Echoes in Temporal Thought, 2024 (violin)

Memorare, 2024 (string quartet)

​Sacro Specro, 2024 (player piano)

Memento Mori, 2023 (solo trumpet)

Intervals of Time, 2023 (oboe and harmonium)

That moment, 2023 (flute and celesta)

Recordare, 2023 (french horn and piano)

Tesseract, 2023 (flute and celesta)

Aesther, 2023 (saxophone and celesta)

​Kalachakra, 2022 (pierrot ensemble)

Kinderklaviermusik (2022) for toy piano

Palm Sunday from​ Piano music for Holy Week (2022) for piano

Asleep in Christ (2022) for piano

Slowing up and Speeding down (2) (2022) for any keyboard instrument

Circular Sounds (2022) for tape

Saphire Concrete (2019) for small ensemble