1934- . English composer and conductor. His 
music combines medieval and serial codes of
practice with a heightened Expressionism as
in his opera Taverner 1962-68. After training
alongside the British composers Goehr and
Birtwistle, he studied with the Italian
composer Petrassi and later with the US
composer Sessions. He has composed
music-theatre works for the group the Pierrot
Players, later the Fires of London. He moved
to Orkney in the 1970s where he has done much
to revitalize music, composing for local
groups and on local themes.