Gloucester the remains (a gateway and some walls) of Llanthony Secunda Priory, a cell of the mother abbey in the Vale of Ewyas, Monmouthshire, which in the reign of King Edward IV became the secondary establishment. The Three Choirs Festival, originating in the 18th century and one of the oldest music festivals in the British Isles, is held in Gloucester every third year, the other venues being Hereford and Worcester. Gloucester hosted the festival in 2016, and it is next due in the city in 2019. The city's main theatre and cultural venue is the Guildhall. The Guildhall hosts a huge
Worcester Cathedral to eliminate the draught which, prior to the installation of modern swing doors, would blow through cathedrals whenever the western doors were open. Worcester Cathedral has important parts of the building dating from every century from the 11th to the 16th. Its tower in the perpendicular style is described by Alec Clifton-Taylor as "exquisite" and is seen best across the River Severn. The earliest part of the building at Worcester is the multi-columned Norman crypt with cushion capitals remaining from the original monastic church begun by bishop Saint Wulfstan of Worcester in 1084. Also from the Norman period is the