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.25, “Somewhere a Voice Is Calling.” 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).