Title from disc label. The 4th work jointly composed by Johannes Brahms, Robert Schumann, and Albert Dietrich. Interview with the performers conducted by Friedrike Westerhaus and biographical notes on the performers, in English and German (28 pages : illustrations, portraits) inserted in container. Recorded. 2015 August 24-26. Sendesaal, Bremen. Producer, Christoph Franke. Christian Tetzlaff, violin ; Lars Vogt, piano.