John Field Piano Concerto 전곡 John Field, inventor of the Nocturne. That is all most people know about this remarkable and influential Irish composer. Born in 1782 in Dublin, he became one of the most celebrated pianist-composers of the early-Romantic age. Admired by his contemporaries Hummel, Moscheles and Kalkbrenner, he also drew praise from Chopin (upon whose music he exerted a huge influence..