If your not already on a high level job then change to a lv 30 job to start this quest.
Mertaire (I-8, Merry Minstrel Meadhouse in Lower Jeuno), will lament on a lost love.
Talk to Bki Tbujhja, behind the counter in the same room, who talks about the Song Runes in Buburimu Peninsula and how it would cheer up the broken-hearted.
Head to Buburimu Peninsula and on the western edge of the Khoonta Dunes (beach) there is a hidden path in the shallows (G-10) that takes you to (F/G-9).
Click on the Song Runes, on the west side up from the beach.
Trade the Poetic Pages to Mertaire for a cutscene with Lewenhart to complete the quest.