British conductor and keyboardist known worldwide as an expert in early music. He suffers from retrograde amnesia and is unable to form new memories.
He founded the early music choir Europa Singers of London in 1968.
He was the subject of the documentary "The Man with the 7 Second Memory".
His wife Deborah authored a book about his condition called "Forever Today".
He was responsible for the music played at the wedding of Prince Charles in 1981.
