Listen to Whòs That Knocking on My Door online. Whòs That Knocking on My Door is an English language song and is sung by The Genies. Whòs That Knocking on My Door, from the album Doo Wop Book, Pt. 1, was released in the year 2014. The duration of the song is 2:16. Download English songs online from JioSaavn.