I found some records of books. I don't know if they still exist, so I will need to research that. Some are in Grade 2, which is excellent. music theory (These are all modern, but at least one has a workbook with exercises.) https://louis.aph.org/search-louis?q=eyJzZWFyY2hUZXJtIjoiYnJhaWxsZSBtdXNpYyIsImFkdmFuY2VkUm93cyI6W3siaWQiOiJfcl8yXy0wIiwiY29uZGl0aW9uIjoiIiwidGVybSI6Im11c2ljIHRoZW9yeSIsImZpZWxkIjoidGl0bGUifV0sInBhZ2UiOjEsInN0YXJ0IjoxLCJmaWx0ZXJzIjp7fX0%253D&query=braille+music&index=louis braille music (Not many here and very few hard copies.) https://louis.aph.org/search-louis?q=eyJzZWFyY2hUZXJtIjoiYnJhaWxsZSBtdXNpYyIsImFkdmFuY2VkUm93cyI6W3siaWQiOiJfcl8yXy0wIiwiY29uZGl0aW9uIjoiIiwidGVybSI6ImJyYWlsbGUgbXVzaWMiLCJmaWVsZCI6InRpdGxlIn1dLCJwYWdlIjoxLCJzdGFydCI6MSwiZmlsdGVycyI6e319&query=braille+music&index=louis Hadley School (No results.)