In our time and age, a jazz singer from Korea may still seem like an exotic concept. But anyone who knows how much effort Asian countries invest in education and promotion also knows about the growing circle of jazz fans in the region. So with notable exceptions it’s astounding that there aren’t more artists from Korea or Japan whose names are on everyone’s lips. However, Youn Sun Nah could change all that, and as the first Korean artist exclusively under contract with ACT, anyone listening to her debut album Voyage (ACT 9019-2) will understand why.