A study of one of the most significant medieval manuscripts containing music, and its owner, sheds light on many aspects of contemporary culture. Hermann P?tzlinger (+ 1469), the university-educated schoolmaster of the monastery of St Emmeram, Regensburg, was the creator of one of the largest and most intriguing collections of late-medieval polyphonic music to have survivedfrom Central Europe. His music book, the so-called 'St Emmeram Codex'...