The structure is dominated by an ornate rose window above the organ loft. Mably found in the organ loft at that time. He also specified that the floor of the organ loft be of poured concrete. The space under the tower served as a vestry and organ loft. Members of the public are welcome to join the choir in the organ loft. The large window in the organ loft portrays the Resurrection of Christ. The stands in the transept and the organ loft in the west are also classical. An organ loft housed the largest chamber organ in America. The tower is pierced to provide an organ loft raised on a low dark passage. Above the chancel on the north side is the organ loft. In some later performances, Bruckner was in the organ loft rather than on the podium. Inside there is a late 19th-century gallery on wooden columns and an organ loft. Some churches have an organ loft at the west end of the church. The east end of the north aisle houses the organ loft and the vestry. There is also an organ loft built onto the north side of the chancel.