div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader042fdocumentsnetreader042viewer20220309135b5d67767f8b9a65028db677html5page1jpg target=_blank img data-url=documentdarezzo-guido-darezzo-in-western-music-there-are-two-ways-of-naming-thehtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: baillargeonmusicwikispacescom dArezzo · Guido dArezzo In western music there are two ways of naming the seven notes both of which date back to the Middle Ages do ut re loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader042fdocumentsnetreader042viewer20220309135b5d67767f8b9a65028db677html5thumbnails1jpg width=140 height=200 adivdiv