First work for violin and piano, 2nd for orchestra, 3rd for 12 violoncellos, 4th for 2 violins, prepared piano, and string orchestra.
Fratres originally scored for early music ensemble and percussion; the 2 versions recorded here were written subsequently.
Ed. recorded: Universal Edition.
Program notes by Wolfgang Sandner in English and German in container.
Recorded Oct. 1983, Basel (1st work), Jan. 1984, Stuttgart (2nd work), Feb. 1984, Berlin (3rd work) and Nov. 1977, Bonn (4th work). Fourth work from live performance.