la pieza - piece, part, portion, room of a buildingSpanish example: Como niña prodigio, empezó a cantar piezas del musical Sonrisas y Lágrimas a la edad de tres años.
English example: As an extremely talented girl, she began to sing pieces from the musical The Sound of Music at the age of three years.
Source: la pieza - piece, part, portion, room of a building (https://www.123teachme.com/spanish_feeds/word_of_the_day/2020/11/24)