张艺兴 - The Assembly Call Composed：LAY(张艺兴) Arranged：LAY(张艺兴) Vocal directed：Maxx Song (ICONIC SOUNDS) Background Vocals：LAY(张艺兴) Recorded：Eun-Kyung Jeong @ In Grid Studio Pro tools operating：Maxx Song (ICONIC SOUNDS) Digital editing：Maxx Song (ICONIC SOUNDS) Mixed：Han-Goo Kim @ SoundPOOL Studios Original Title：集结号 Original Writer：LAY(张艺兴) Original Publisher：EKKO Music Rights (powered by CTGA) Sub-Publisher: Kobalt Music Ltd.