Yesung, Ryeowook, Kyuhyun were active as background vocalists while Eunhyuk, one of the main rappers of the group, was in charge of most of the rap lyrics in the album.
Yesung, Ryeowook, Kyuhyun aktif sebagai vokal latar belakang sedangkan Eunhyuk, satu dari rapper utama kelompok, was in charge of most of the rap lyrics in the album.