Rat tat tat Rat tat tat Song Lyrics Lyrics: Rat–tat–tat, Rat–tat–tat, Who can it be? Let’s go and see. Who can it be? Here is a postman. Knocking at the door. Have you any letters? One, two, three, four and five! Video Tweet Related Posts Hot cross buns One a penny If you’re happy and you know it, clap your hands London Bridge is falling down Itsy Bitsy Spider Lyrics and Video Add a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment:*Name:* Email Address:* Website: Save my name, email, and website in this browser for the next time I comment.