She joined ten-year-old contestant Jackie Evancho to sing "Time to Say Goodbye".

Entity and relation annotations:
id: 0
type: entity
value: text: Jackie Evancho
labels: <Person>
id: 1
type: entity
value: text: "Time to Say Goodbye"
labels: <Work_of_art>
type: relation
to_id: 1
labels: Person:performs:Work_of_art
from_id: 0