Compact discs. The 2nd work arranged by the composer. Title from container. Program notes by Klaus Häfner and biographical notes on the performers, all in German, English, French, and Italian (36 p. : ports.) in container. Recorded Dec. 14-17, 1989, Troy Savings Bank Music Hall, Troy, N.Y. (sextets), and June 17-20, 1991, New England Conservatory, Boston, Mass. (variations). Isaac Stern, Cho-Liang Lin, violin ; Jaime Laredo, Michael Tree, viola ; Yo-Yo Ma, Sharon Robinson, cello ; Emanuel Ax, piano.