Robert Koenig

- Nocturne No. 20 in C-Sharp Minor, Op. posth. (Arr. for Violin and Piano by Nathan Milstein)
- Heartbreak: Romantic Encores for Violin · 1999
- La Campanella (from Violin Concerto No. 2) [Transcr. for Viola, William Primrose]
- Primrose: Viola Transcriptions · 2006
- Konzert
- The Romantic Bass Trombone · 2025
- Zwei Fantasiestücke: II. Abendreigen
- The Romantic Bass Trombone · 2025
- Zwei Fantasiestücke I. Andracht
- The Romantic Bass Trombone · 2025
- Concerto for Bass Trombone III. Allegro ritmico
- The Romantic Bass Trombone · 2025
- Concerto for Bass Trombone II. Andante espressivo
- The Romantic Bass Trombone · 2025
- Concerto for Bass Trombone I. Andante con moto-Allegro vivace
- The Romantic Bass Trombone · 2025
- from Dichterliebe: Aus alten Märchen
- The Romantic Bass Trombone · 2025
- from Dichterliebe: Hörí ich das Liedchen klingen
- The Romantic Bass Trombone · 2025

The Romantic Bass Trombone

The Romantic Bass Trombone

2025
Three centuries of Thomas Moore for Tenor and Piano

Three centuries of Thomas Moore for Tenor and Piano

2025
Ecstasy

Ecstasy

2023
Beethoven: The Conquering Hero – Complete Works for Cello and Piano

Beethoven: The Conquering Hero – Complete Works for Cello and Piano

2022
Approaching Autumn

Approaching Autumn

2021
Walton & Britten: Works for Violin & Piano

Walton & Britten: Works for Violin & Piano

2019
Forgotten Liszt

Forgotten Liszt

2016