Here I offer a concise but comprehensive survey of primary seventeenth-century Scots musical sources, both traced and untraced, citing significant secondary literature, summarizing knowledge to date, calling attention to errors of fact or logic, and offering new observations, all in order to lay proper foundations for badly needed future studies of a distinctive and extensive but hitherto none too accessible body of music. The sources are grouped geographically, rather than by chronology or genre, an arrangement that yields special insights. The article documents several hitherto unrecorded manuscript sources
