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 in the world, only the bells in the cathedrals of Liverpool, Exeter, York and St Paul's, London are heavier. The bells are also considered to be one of the finest toned rings ever cast. The bells hang in a wooden frame that was constructed in 1869 for the previous ring. Worcester Cathedral is unique in having a purpose-built teaching centre equipped with eight special training bells, linked to computers. Worcester Cathedral has three choirs: Worcester Cathedral Choir (the principal choir which has both boys' and girls' sections, normally working independently), Worcester Cathedral Voluntary Choir, and Worcester Cathedral Chamber Choir. All