group N.Flying Yoo Hoe-seung is attending the music appreciation of Lee Seung-hyeop's first single, ON THE TRACK, which will be held on Online Live on the afternoon of the 22nd.
About Lee Seung-hyeop
Lee Seung-hyub is a South Korean rapper, singer, instrumentalist, songwriter, and actor. He is a member and leader of the South Korean band N.Flying.
 Wikipedia