The term 'ballet finale' is often used to refer to the last part of a ballet performance. The crossword solution for this term is 'CODA', which is a four-letter word. A CODA is a musical term that refers to a passage that brings a piece of music to a conclusion. In ballet, a CODA is a section of choreography that is performed at the end of a ballet and is usually the most technically demanding part of the performance.