Choi Soo-jin, popularly known as Horan, was born on July 5, 1979, in South Korea. She pursued her education at Yonsei University, majoring in psychology and studying French language and literature. Horan is a prominent figure in the South Korean music scene, serving as the female vocalist for the electropop band Clazziquai, which was formed in 2001 and released their debut album Instant Pig in 2004. Additionally, she lends her vocal talents to the rock band Ibadi. Beyond her band involvement, Horan has released solo work, including the extended plays She's Alright on May 19, 2015, and Wonderland on August 24, 2016.