Sturgeon's life is exceptionally well documented. He held numerous canonries and was a member of the Royal Household Chapel between 1413 and 1452.
Credo from London: British Library, Additional 57950 Credo from London: British Library, Additional 57950 Gloria from London: British Library, Additional 57950 Gloria from London: British Library, Additional 57950 Gloria from London: British Library, Additional 57950 Salve mater; Salve templum; [[It] in nomine Domine] motet Sanctus from London: British Library, Additional 57950