30 St Mary Axe nearly oblivious to the tower's existence until directly underneath it. The building was constructed by Skanska, completed in December 2003 and opened on 28 April 2004. The primary occupant of the building is Swiss Re, a global reinsurance company, which had the building commissioned as the head office for its UK operation. The tower is thus sometimes known as the Swiss Re Building, although this name has never been official and has more recently fallen out of favour, since the company's main headquarters is in Zurich and the Gherkin name has become more popular. The building uses energy-saving methods which
St. Mary of the Angels Church, Hollywood its pedal compass is 30. It also has an attached keydesk. The Organist and Choirmaster has the responsibility of directing the St Mary of the Angels Schola Cantorum. Since 1820 the posts of Organist and Choirmaster have been held by a number of musicians, often being combined. The choir at St. Mary's is known as the St. Mary of the Angels Schola Cantorum. They sing at each Sunday Solemn High Mass as well as specific High Holy Days throughout the year, including Christmas, Holy Week, and Easter Masses. Much of their repertoire comes from the hymnals found in the pews.