William's skills as an accompanist have been noted on many occasions. He accompanies many of the top choirs, both professional and amateur. He has worked with conductors such as Richard Hickox, John Eliot Gardiner, Stephen Layton, Yuri Temirkanov, Vladimir Jurofsky and Paul McCreesh.
With over ten discs to his name, he is a trusted and inspiring collaborator under the microphone, ranging from keyboard continuo to full Grand Organ.
William often plays chamber organ continuo, and regularly performs with the Gabrieli Consort and Players.
Choirs and ensembles with which William plays and records regularly or occasionally:
The Gabrieli Consort www.gabrieli.com
The Dunedin Consort www.dunedin-consort.org.uk
La Nuova Musica www.lanuovamusica.co.uk
The Armonico Consort www.armonico.org.uk
The St Petersburg Philharmonic Orchestra
The Royal Philharmonic Orchestra
The Academy of Ancient Music
The Instruments of Time and Truth