The other three sisters, who are in senior high school, junior high, and primary school, are also fine musicians and have inherited a little of Chang Lien-cheng's style. Chang Yu-tzu spends her summer vacations back home in Houli, where she has formed a sax quartet with her three sisters.
對於一般家庭，薩克斯風並非普遍樂器，然而因為爸爸、阿公、阿祖都是薩克斯風製作好手，姊妹們自然都會吹奏薩克斯風，四姊妹有志一同，在老么才就讀國小二年級時，就自組一個「薩克斯風四重奏」，除了在電視廣告中大顯身手，也經常受邀演出。