Philip Neri altar is to his design. The second great decorative campaign (1927–32) was by the Italian architect C. T. G. Formilli, in mosaic, plaster and woodwork, the cost exceeding his estimate of £31,000. Further decoration marked the 1984 centenary. The reredos of Doric columns in yellow scagliola (2006) of the St Joseph chapel and a new altar and reredos of the Blessed Cardinal Newman (2010) are by Russell Taylor. The statue of Newman in cardinal's robes (1896) is by L. J. Chavalliaud in architectural setting by Thomas Gaming. The church boasts magnificent vestments and altar plate, and houses an important library. Parish The Church of the Immaculate Heart of Mary (The Oratory) is the parish church, part of the Roman Catholic metropolitan diocese of Westminster, at whose request the Oratory parish is run by the Fathers of the Oratory. It is part of the Kensington and Chelsea Deanery. Events The church has strong ties with the nearby London Oratory School, which has Mass at the church for certain Holy Days of Obligation and feastdays. The school's annual patronal festival in honour of St. Philip Neri, is celebrated at the Oratory. In front of the statue of St Peter, under the choir loft (a reproduction of that in St Peter's) that the medieval dedication of England to St Peter and Our Lady was repeated by Cardinal Vaughan, as a defiant riposte to the Erastianism of English official religion. The congregation is one of the largest Catholic congregations in London. Liturgy It is part of the tradition of the oratory in England to ensure that the liturgy is celebrated in a dignified and worthy manner. Mass is celebrated every day in Latin in the later and the 1962 (Tridentine) forms of the Roman Rite. Choirs The London Oratory is internationally known as one of the custodians of classic Catholic liturgical traditions. Solemn Latin Mass and Vespers are celebrated on all Sundays and obligatory holy days in the year. In particular, the great liturgies of Christmas, Holy Week and Easter attract packed congregations. To serve the liturgy, the Oratory Fathers have fostered a notable musical establishment comprising three separate choirs plus a professional music staff. Senior choir The London Oratory Choir is an adult, professional chamber choir serving the major liturgical celebrations in the Oratory Church, including solemn Latin Mass and Vespers on all the Sundays of the year and for major