How Louis Braille’s musical notation system remains relevant 200 years after its invention

In the 1820s, Louis Braille devised a raised-dot system of letters, numbers and musical notation. 200 years later, it’s still ...
The New York Times

Musical Notation.; THE STORY OF NOTATION.

TimesMachine is an exclusive benefit for home delivery and digital subscribers. About the Archive This is a digitized version of an article from The Times’s print archive, before the start of online ...