Brick (브릭) Single [Hold On]@brick_wonProduced by BrickComposed by Brick, BAN ESTINLyricks by BrickArranged by BAN ESTINChorus by BrickDrum, Bass by BAN ESTINSynthesizer, Piano by BAN ESTINGuitar by 김성주 @joo sound Mixed & Mastered by 장태인 at SEOUL ARCHIVE @plus82waveArtwork by Yeoraphic