Klavierduo Trenkner-Speidel

- Brandenburg Concerto No. 1 in F Major, BWV 1046: I. - (Arranged for Piano 4 Hands)
- Bach: Brandenburg Concertos (Arranged for Piano 4 Hands) · 1996
- Symphony No. 2 in C Minor: V. Im Tempo des Scherzos (Arranged for Piano Four Hands)
- Mahler: Symphonies Nos. 1 & 2 (Arranged for Piano Four Hands) · 2013
- Symphony No. 2 in C Minor: VI. Urlicht. Sehr feierlich, aber schlicht (Arranged for Piano Four Hands)
- Mahler: Symphonies Nos. 1 & 2 (Arranged for Piano Four Hands) · 2013
- Symphony No. 2 in C Minor: III. In sehr ruhig fliessender Bewegung (Arranged for Piano Four Hands)
- Mahler: Symphonies Nos. 1 & 2 (Arranged for Piano Four Hands) · 2013
- Symphony No. 2 in C Minor: II. Andante con moto (Arranged for Piano Four Hands)
- Mahler: Symphonies Nos. 1 & 2 (Arranged for Piano Four Hands) · 2013
- Symphony No. 2 in C Minor: I. Allegro maestoso (Arranged for Piano Four Hands)
- Mahler: Symphonies Nos. 1 & 2 (Arranged for Piano Four Hands) · 2013
- Symphony No. 1 in D Major: VI. Stürmisch bewegt (Arranged for Piano Four Hands)
- Mahler: Symphonies Nos. 1 & 2 (Arranged for Piano Four Hands) · 2013
- Symphony No. 1 in D Major: III. Feierlich und in Gemessen, ohne zu schleppen (Arranged for Piano Four Hands)
- Mahler: Symphonies Nos. 1 & 2 (Arranged for Piano Four Hands) · 2013
- Symphony No. 1 in D Major: II. Kräftig bewegt (Arranged for Piano Four Hands)
- Mahler: Symphonies Nos. 1 & 2 (Arranged for Piano Four Hands) · 2013
- Symphony No. 1 in D Major: I. Langsam. Schleppend (Arranged for Piano Four Hands)
- Mahler: Symphonies Nos. 1 & 2 (Arranged for Piano Four Hands) · 2013
- Peer Gynt Suite No. 2, Op. 55: IV. Solvejg's Song (Arranged for Piano 4 Hands)
- Mozart: Piano Sonatas - Grieg: Peer Gynt Suite No. 1 und 2 · 2006
- Peer Gynt Suite No. 2, Op. 55: III. Peer Gynt's Return Home (Arranged for Piano 4 Hands)
- Mozart: Piano Sonatas - Grieg: Peer Gynt Suite No. 1 und 2 · 2006
- Peer Gynt Suite No. 2, Op. 55: II. Arabian Dance (Arranged for Piano 4 Hands)
- Mozart: Piano Sonatas - Grieg: Peer Gynt Suite No. 1 und 2 · 2006

Mahler: Symphonies Nos. 1 & 2 (Arranged for Piano Four Hands)

Mahler: Symphonies Nos. 1 & 2 (Arranged for Piano Four Hands)

2013
Mozart: Piano Sonatas - Grieg: Peer Gynt Suite No. 1 und 2

Mozart: Piano Sonatas - Grieg: Peer Gynt Suite No. 1 und 2

2006
Bach: Orchestral Suites (Arranged for Piano 4 Hands)

Bach: Orchestral Suites (Arranged for Piano 4 Hands)

2000
Reger: Works for 2 Pianos

Reger: Works for 2 Pianos

1998
Schubert: Rosamunde (Arranged for Piano 4 Hands)

Schubert: Rosamunde (Arranged for Piano 4 Hands)

1997
Bach: Brandenburg Concertos (Arranged for Piano 4 Hands)

Bach: Brandenburg Concertos (Arranged for Piano 4 Hands)

1996
Bruckner: Symphony No. 3 (Arranged for Piano 4 Hands by Gustav Mahler)

Bruckner: Symphony No. 3 (Arranged for Piano 4 Hands by Gustav Mahler)

1995