A rock finale is a type of performance that is typically the last song or set of songs in a rock concert. The two crossword solutions for the term 'rock finale' are 'ettes' (5 letters) and 'ette' (4 letters). 'Ettes' is a plural form of the word 'ette', which is a French suffix used to denote a female version of a noun. In the context of a rock finale, 'ettes' and 'ette' can be used to refer to a female-led band or solo artist performing the last song or set of songs in a rock concert.