'WEN' [불면증] " too much thinking " @lw_____j @imaginemuzik Produce : Ryan IM Cover Design : Claude Composed : WEN, Keenda, Ryan IM Lyrics : WEN Arranged : Keenda, Ryan IM All instrument : Keenda Computer Programming : Keenda Back ground vocal : EJO, WEN Vocal Direct : Ryan IM Digital Edit : 철지니어 IM Record Engineer: 철지니어 IM Mix : 철지니어 IM Master : Ryan IM