Norbert Hauptmann - Brahms: Horn Trio in E-flat, Op.40: I. Andante - poco più animato - YouTube
Wolfgang Amadeus Mozart, Berliner Philharmoniker, Herbert von Karajan - Oboe Concerto In C Major, K.314 / Sinfonia Concertante In E Flat Major, K.297b | Releases | Discogs
Johannes Brahms, Norbert Hauptmann, Karl Leister, Tamás Vásáry, Thomas Brandis, Ottomar Borwitzky – Horntrio / Klarinettentrio (1983, Vinyl) - Discogs
Johannes brahms horn trio op.40 & clarinet trio op.114 by Norbert Hauptmann & Karl Leister, LP with soulableta - Ref:119453214