The sijo is the most popular and most Korean of all traditional Korean poetic forms, originating with the old songs of the Hyangka of the Sylla Empire (668-936) and the prose songs of the Koryo Dynasty (918-1392). Sometimes likened to haiku for its brevity, a typical sijo poem follows a three-line pattern, with each line containing approximately fifteen syllables. The first two lines mimic one another both in form and content, but the last...