From Longman Dictionary of Contemporary Englishcadenzaca‧den‧za /kəˈdenzə/ noun [countable] technical APMa difficult part of a long piece of music, which a performer plays alone in order to show his or her skill
Examples from the Corpus
cadenza• Lunchtime on a day in June, cadenza in the rising wind: is there anything wrong with a one-man band?• If you look at it within that context, these cadenzas by Leppard are rather conventional.• Indeed there are no really weak moments vocally, although I am not convinced by the style of all the vocal cadenzas.Origin cadenza (1700-1800) Italian → CADENCE 