 The system was soon extended to include braille musical notation . Passionate about his own music , Braille took meticulous care in its planning to ensure that the musical code would be " flexible enough to meet the unique requirements of any instrument . " In 1829 , he published the first book about his system , Method of Writing Words , Music , and Plain Songs by Means of Dots , for Use by the Blind and Arranged for Them . Ironically this book was first printed by the raised letter method of the Haüy system . 
