Redoor Are A Korean Modern Rock Band. Incorporating Sounds Of Nature In The Music Bringing Listeners Tranquility While The Lyrics - Deep Emotions. Members Choi Seunghyun 1997 - Guitar Vocal Park Sewoong 1998 - Bass Joo Sangwook 1998 - Drum Lee Deungdae Aka Olsm 1998 - Vocal Leader Composer Lyricist Synths Piano Guitar