Sontraud Speidel

- Song Without Words, Op. 2: No. 1, Lied. Andante
- Fanny Mendelssohn: Piano Works · 2022
- Allegro agitato for Piano
- Fanny Mendelssohn: Piano Works · 2022
- Klavierstück in B-Flat Major, H-U 339 "Allegro grazioso"
- Fanny Mendelssohn: Piano Works · 2022
- Symphonie No. 3 in D Minor: III. Scherzo. Ziemlich schnell (Arranged for Piano 4 Hands by Gustav Mahler)
- Bruckner: Symphony No. 3 (Arranged for Piano 4 Hands by Gustav Mahler) · 1995
- Adagio Sostenuto
- Ludwig van Beethoven: Late Works for Flute and Piano · 2025
- II. Larghetto - Allegro vivace
- Gade: Violin Sonatas Nos. 1-3 · 2021
- Sonata in G Major after String Trio No. 3, Op. 9/1: IV. Presto (Arr. for Flute and Piano)
- Beethoven: Sonata in G Major after String Trio No. 3, Op. 9 No. 1: IV. Presto (Arr. for Flute and Piano by Friedrich Hermann) - Single · 2026
- Variation 5
- Ludwig van Beethoven: Late Works for Flute and Piano · 2025
- Variation 4
- Ludwig van Beethoven: Late Works for Flute and Piano · 2025
- Variation 3
- Ludwig van Beethoven: Late Works for Flute and Piano · 2025

Ludwig van Beethoven: Late Works for Flute and Piano

Ludwig van Beethoven: Late Works for Flute and Piano

2025
Mendelssohn: Orchestral Works (Version for Piano for 4 Hands)

Mendelssohn: Orchestral Works (Version for Piano for 4 Hands)

2024
Fanny Mendelssohn: Charakterstücke

Fanny Mendelssohn: Charakterstücke

2024
Fanny Mendelssohn: Piano Works

Fanny Mendelssohn: Piano Works

2022
Gade: Violin Sonatas Nos. 1-3

Gade: Violin Sonatas Nos. 1-3

2021
Lipatti: Fantasie for Piano, Op. 8

Lipatti: Fantasie for Piano, Op. 8

2020
Mahler: Symphony No. 5

Mahler: Symphony No. 5

2018

Beethoven: Serenade in D Major, Op. 8: VI. Thema con variazioni. Andante quasi allegretto (Arr. for Flute and Piano by Friedrich Hermann) - Single

Beethoven: Serenade in D Major, Op. 8: VI. Thema con variazioni. Andante quasi allegretto (Arr. for Flute and Piano by Friedrich Hermann) - Single

2026
Beethoven: Sonata in G Major after String Trio No. 3, Op. 9 No. 1: IV. Presto (Arr. for Flute and Piano by Friedrich Hermann) - Single

Beethoven: Sonata in G Major after String Trio No. 3, Op. 9 No. 1: IV. Presto (Arr. for Flute and Piano by Friedrich Hermann) - Single

2026
Baussnern: Suite No. 1 for Violin & Piano in G Major - EP

Baussnern: Suite No. 1 for Violin & Piano in G Major - EP

2018
Glazunov: Piano Sonata No. 2 in E Minor, Op. 75 - Single

Glazunov: Piano Sonata No. 2 in E Minor, Op. 75 - Single

2018
Eugen d'Albert: Piano Suite in D Minor, Op. 1 - EP

Eugen d'Albert: Piano Suite in D Minor, Op. 1 - EP

2017
Khachaturian: Piano Sonata in E-Flat Major - Single

Khachaturian: Piano Sonata in E-Flat Major - Single

2017
Weber: Piano Sonata No. 1 in C Major, Op. 24, J. 138 - EP

Weber: Piano Sonata No. 1 in C Major, Op. 24, J. 138 - EP

2015