00397nam a22001577a 4500003000400000005001700004008004100021020001500062020002200077040000800099050002100107100001700128245004600145250001200191260003600203OSt20180618152201.0180618b        xxu||||| |||| 00| 0 eng d  a0139350152  a0139350071 (PBK.)  cn/a  aML197b.S17 1974  aEric Salzman  aTwentieth - century music:an introduction  a2nd ed.  aNew JerseybPrentice hallc1974