The term 'up-tempo' is used to describe a type of music that is FAST and energetic. The crossword solutions for this term are 'ZIPPY' (5 letters), 'FAST' (4 letters), 'MAMBO' (5 letters), and 'animato' (7 letters). ZIPPY is an adjective that means lively and spirited, while FAST is an adjective that means moving or occurring quickly. MAMBO is a type of Latin dance music that is usually FAST and lively, and animato is a musical term that indicates a quick, lively tempo. All of these words accurately describe the term up-tempo, which is a type of music that is FAST and energetic.