Musical rhythm is an important element of music, and is often referred to as the 'BEAT'. The term 'BEAT' is used to describe the regular pulsation of a musical piece, and is typically measured in beats per minute. In a crossword puzzle, the term 'BEAT' can be used to refer to the four-letter solution MUSICAL RHYTHM. This term is used to describe the regular pattern of sound that is created when a musical piece is played.