The new digital single of LAYBACKSOUND 'upset by'The new digital single, upset by the LAYBACKSOUND is I want to touch off I want to see the people who love waking up in the middle of a nightmare night, she is hoping to fuck comfortably furnished only good dreams I will not wake her sleep. The song told of the content.Reyibaek always make fun sound our ears shows a more refined sound an upgraded sound in this song. This seductive sensual vocals, groovy, and hip-hop beats on the keyboard bit reminiscent of jazz and 'steady' blend well put together naeeotda the color of reyibaek sound only. Reyibaek sound that is consistent and diligent to present a source. Their next move will become even more curious.Produced by LAYBACKSOUNDComposed by LAYBACKSOUNDLyric by LAYBACKSOUNDArranged by LAYBACKSOUNDMixed by Ch'?ng-mu YiENERGEMAMastered by hwanghongcheolSonic KoreaDesigned by Dokgohow