Kreutzer: 42 Etudes for Violin solo。售價 HK$160，缺貨。Rodolphe Kreutzer Norbert Gertsch (Editor) Rodolphe Kreutzer (Fingering and bowing for Violin) Ingolf Turban (Additional markings and practical comments) Published in early 1806, Kreutzer's “40 Études ou Caprices” for v…