To ensure the Swan Lake production was as close to perfection as possible, Yao and her troupe put in meticulous efforts in repeated rehearsals, listened to records and tape recordings and read books and other writings on the subject. By carefully observing each dancer's special abilities, Yao was able to assign roles correctly.
姚明麗為了「天鵝湖」自然更是投注了全副的時間和心血。她仔細閱讀有關的書籍、聆聽唱片、研究錄影帶，並要配合舞者的能力和特長，進行編舞和分派角色。