O'Day was the first artist signed, and the first release was Undercover Angel.

Entity and relation annotations:
id: 0
type: entity
value: text: O'Day
labels: <Person>
id: 1
type: entity
value: text: Undercover Angel
labels: <Work_of_art>
type: relation
to_id: 1
labels: Person:creates:Work_of_art
from_id: 0