Title from disc label. Compact disc. Program notes by Wolfgang Rathert in English, German and French (12 pages : illustrations, portraits) inserted in container. The 1st work. recorded live. May 2017. Berlin, Pierre Boulez Saal. The 2nd work. recorded live. March 2017. Berlin, Pierre Boulez Saal. Daniel Barenboim, piano ; Michael Barenboim, violin ; Yulia Deyneka, viola ; Kian Soltani, cello.