01 상실 (Loss) [Credit] Executive Producer: SM ENTERTAINMENT Co., Ltd. Producer: SOO-MAN LEE Music & Sound Supervisor: Yoo, Young Jin Directed by Colde Background Vocals by Colde Piano Performed & MIDI Programming by IOAH Recorded by Si-Min Kim @ Tone Studio Digital Editing by Yang Ha Jeong @ Tone Studio Engineered for Mix by Ji-Hong Lee @ SM LVYIN Studio Mixed by Jong-Pil Gu (BeatBurger) @ SM Yellow Tail Studio Mastered by Nam-Woo Kwon @ 821 Sound Mastering