A Puritan Family - father teaching his family to sing Psalms rather than vayne and tryflying ballades, 1563. From the position of his hands it seems he is using a mnemonic device such as the Guidonian hand to signal which note to sing. From frontispiece of Tenor of the whole Psalmes in Four Parts . [London, 1563]. (Photo by Ann Ronan Pictures/Print Collector/Getty Images)
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