Extensive musical notation on a memorial

 Hereford Cathedral, Hereford, Herefordshire
(Click on an image for a larger version)

The cathedral is dedicated to two patron saints, namely Saint Mary the Virgin and Saint Ethelbert the King. The latter was beheaded by Offa, King of Mercia in the year 792. The current Hereford Cathedral dates from 1079. Its most famous treasure is the Mappa Mundi, a mediaeval map of the world dating from the 13th century.

 This is the first memorial we have seen that includes the first section of a musical manuscript.
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