Klavierduo Trenkner-Speidel

Mahler: Symphony No. 5 (arr. for Piano 4 Hands by Otto Singer)

Beethoven: Sinfonie Nr. 7, op. 92 & Große Fuge für Klavier, op. 134

Symphonies no. 1 & 2 (arr. for Piano 4 Hands by Bruno Walter)

Orchestral Suites / Passacaglia / Toccata and Fugue / Prelude and Fugue

Works for Two Pianos: Beethoven Variations Op. 86 / Mozart Variations Op. 132a / Introduction, Passacaglia and Fugue Op. 96

Symphony no. 3