Answer:
As she left the concert hall, Shonda was as bright as the sun because her recital was a brilliant success; (Mozart could not have played the piece better.)
Step-by-step explanation:
An allusion is a figure of speech that provides a brief and indirect reference to something (like a phrase, a place or an idea) or to someone that is commonly known and has significance in our society. The sentence “Mozart could not have played the piece better” is an example of an allusion because it makes a brief reference to Mozart, one of the greatest -if not the greatest- musician of the classical era.