HMV KALP 13
(Mono, UK pressing, red gold label)
Koppel, piano
Koppel String Quartet
Else Marie Bruun violin, Andreas Thyregod violin, Julius Koppel viola and Jarl Hansen cello
Niels Viggo Bentzon : Sonata for Piano No 5 Opus 77 (1951)

Herman D. Koppel : Quintet for Piano and String Quartet Opus 57 (1953)