Jang Yi Jung was the lead vocalist, rapper, composer and maknae of the boy group History. The famous singer Lee Sun Hee guided his first steps in music. He appeared in the second season of the show ''Star Audition: the Great Birth'' and he became famous for his special voice. In 2013, Yi Jeong was featured on I.U.'s song ''Friday''. The single was a domestic and international success, charting at number one on the Billboard K-pop Hot 100 and 10 other music charts, reaching a Perfect All-Kill. In 2015, he was featured on Melody Day's song ''Oh, my Guy'' as the narrator. Yi Jeong wrote many of History's songs like: Queen, Might Just Die, Liar, I got you, Blue Moon, Ghost, 1Century, LOST, Baby Hello and Wild Boy. Edit Biography