Provided to YouTube by Universal Music Group Happy Birthday to You · Jin-Won Kwon Difference ℗ 1999 MANNAM MUSIC (만남 뮤직) Released on: 1999-04-01 Producer, Associated Performer, Vocals, Composer: Jin-Won Kwon Recording Arranger, Associated Performer: Sei Joon Hwang Mix Engineer, Studio Personnel, Mastering Engineer: Kyubeom Cho Author: Ki Hwan Yoo Auto-generated by YouTube.