Korean jazz singer Nah Youn-sun will mark the 30th anniversary of her debut with a concert. Nah's concert, "Elles," will take place on April 17 at the Lotte Concert Hall in Songpa-gu, Seoul. The concert is titled after her 12th album released in January which commemorated her 30th year as a jazz musician. Nah's latest album is dedicated to influential female musicians who have had an impact on he...