Orpheus knows a thing or two about quests. With his wife a "guest" of Hades, our Greek hero travels to the underworld—with lyre in hand, naturally—to fight the Furies and retrieve his lady love. This past Monday, Seattle Opera launched its own hero’s quest: a four-week "treasure hunt" for tickets to SO’s upcoming production of Orpheus and Eurydice. Every Monday at 10am, now through March 5...