The crossword solutions for the term 'KNOCK, WITH 'DOWN'' are 'RAP'. This is a term used to describe a type of music that originated in the United States in the late 1960s and early 1970s. It is characterized by its use of rhythmic beats and often incorporates elements of hip hop culture. Rapping is a form of vocal delivery in which the artist speaks or chants along rhythmically with an instrumental or synthesized beat.