Includes selections for two violins, string trio and string quartet. Title from disc label. Program notes by Wolfgang Sander in German and English (27 pages : illustrations, portraits) inserted in container. Recorded. 1995-2012, principally at Radiostudio DRS Zürich. Produced by Manfred Eicher. Keller Quartet : András Keller, violin ; János Pilz, violin (tracks 3, 5-8) ; Zsófia Környei, violin (tracks 1,2,4,9,14) ; Zossltan Gál, viola ; Otto Kértesz, cello (tracks 3,7,8) ; Judit Szabó, cello (except tracks 3,7,8,13).