Apink (에이핑크) KOREAN Apink – Kok Kok (콕콕) 콕콕 kok kok “Kok Kok” [EP] Pink Up 2017.06.26 Chorong, Bomi, Eunji, Naeun, Namjoo, Hayoung Lyrics/작사: 김진환 Composer/작곡: 김진환 Arranger/편곡:…