Par PANUFNIK ROXANNA. When the London International Festival of Early Music came to me with a commission to write a solo harpsichord piece for Jane Chapman, they asked me to relate the new piece to Byrd, as it’s the 400th anniversary of his death, this year. Jane introduced me to Byrd’s arrangement of Dowland’s wonderful Pavana Lachrymae (‘Pavan of tears’) – a piece of many layers but simple and e…