[Spohr, Louis. (1784-1859)] Grützmacher, Friedrich. (1832-1903) Grand Duo pour Piano et Violoncelle. Arrangé part Fr. Grutzmacher d'apres Le Nocturne Oeuvre 34 composé par Louis Spohr.Score (25 p.) and part (13 p). 35 cm. Engraved throughout. [PN] 3639. Two manuscript alterations laid in over a few measures in the cello part. Foxed, edges a little rough, but otherwise very good. "The six movement 'Notturno' in C, Op. 34, for wind band and 'Turkish' instruments, was composed in 1815 for the Prince of Sonderhausens' 'Loh orchester,' the director of which was the clarinet virtuoso, Hermstedt, for whom Spohr wrote four concertos."