This music chart was made for the Bosstone Grand Autoharp by the Bosstone Co. in East Boston, Massachusetts, around 1924-1926. This music chart is for the tune No.10, “Sun of My Soul.” It is made of paper with printed playing instructions. The chart is placed under the strings and used as a template for playing the instrument. Accessioned with Bosstone Autoharp (Cat. #MI.66.196).