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 dates from the 10th century and the time of St Oswald, Bishop of Worcester. The community associated with the cathedral the early eighth century included members of various clerical orders. The cathedral community was regulated along formal monastic lines as a consequence of the Benedictine reforms in the second half of the tenth century (one author gives the time range 974-977, another considers 969 more likely). There is an important connection with Fleury Abbey in France, as Oswald, bishop of Worcester from 961 to 992, was professed at Fleury and introduced the monastic rule of Fleury to the monastery that