Number Pieces John Cage Apartment House Another Timbre 4XCD boxed set   John Cage’s Number Pieces, late compositions (from 1987-1992) are given two designations, a number indicating the size of the ensemble and a superscript indicating its order in multiple pieces for the same-sized grouping (Quintet #2 = 52). Fragments of pitches, sometimes single notes, are indicated; dynamics appear sporadically. Rhythm is codified through the use of “time brackets,” indicating how long before a performer can move to another fragment. Most of the pieces are for a particular instrumentation, although a few are unspecified. Thus, while a considerable amount of