Nathaniel Giles was an English Renaissance organist and composer. He was the organist for Worcester Cathedral

Worcester Cathedral

Worcester Cathedral is an Anglican cathedral in Worcester, England; situated on a bank overlooking the River Severn. It is the seat of the Anglican Bishop of Worcester. Its official name is The Cathedral Church of Christ and the Blessed Mary the Virgin of Worcester...

 and did Anglican anthems. While Master of the Children of the Chapel Royal he took over Blackfriars Theatre

Blackfriars Theatre

Blackfriars Theatre was the name of a theatre in the Blackfriars district of the City of London during the Renaissance. The theatre began as a venue for child actors associated with the Queen's chapel choirs; in this function, the theatre hosted some of the most innovative drama of Elizabeth and...

 and there he worked with Ben Jonson

Ben Jonson

Benjamin Jonson was an English Renaissance dramatist, poet and actor. A contemporary of William Shakespeare, he is best known for his satirical plays, particularly Volpone, The Alchemist, and Bartholomew Fair, which are considered his best, and his lyric poems...

 on a children's company. He was also a master of the Choir of St George's Chapel, Windsor Castle

Choir of St George's Chapel, Windsor Castle

The Choir of St George's Chapel at Windsor Castle exists to sing services in St George's Chapel at Windsor Castle.It has been in existence since 1348 and, with the exception of the Commonwealth period , has sung services in the Chapel continuously ever since.- The choir today :The choir comprises...

 and an organist at Westminster Abbey

Westminster Abbey

The Collegiate Church of St Peter at Westminster, popularly known as Westminster Abbey, is a large, mainly Gothic church, in the City of Westminster, London, United Kingdom, located just to the west of the Palace of Westminster. It is the traditional place of coronation and burial site for English,...

.

His Te Deum (Durham Cathedral manuscript A2, folio 56) has instructions for the organist to play an octave lower than written, and one assumes this is to give the 'dark' sonority of a 10ft organ stop rather than the everyday colour of the standard 5ft Principal stop of the Tudor organ.