Angel's Knock is the first studio album by AOA. It was released on January 2, 2017. Tracklist[edit | edit source] Excuse Me 빙빙 (Bing Bing) Three Out 느낌이 오니 (Feeling) 불면증 (Can't Sleep) Lily (feat. Ro Woon of SF9) Melting Love 너 때문에 (Help Me) Oh Boy (Korean Ver.) With Elvis Retrieved from "https://aceofangels.fandom.com/wiki/Angel%27s_Knock?oldid=398" Categories: Studio Albums Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.