Jazz singer Youn Sun Nah is a phenomenon in her own right. Her voice has an incredible range, from the low notes of a true alto to the high notes of a coloratura soprano. She also has an uncommon plasticity of timbre, an uncommon length of breath and her scat is breathtakingly precise. As for Boyan Z, he is one of today's most brilliant jazz pianists. Equally at home on the Fender-Rhodes organ or the piano, his music is powerful and inventive, skillfully crossing and fusing several cultures. It's a meeting at the summit ... of the intimate, as they deliver a repertoire of songs that have marked Youn Sun Nah's career, from Nina Simone to Bjork.  Flagey, Festival Musiq3, Korean Culture Center € 20 > € 17 (until 10.06) | € 25 > € 17 (from du 11.06)