Question: Who is the mother of the performer of song Back Together?
Sentence (from "Robin Thicke"): He has collaborated with numerous artists, such as Christina Aguilera, 3T, T.I., Nicki Minaj, K. Michelle, Pharrell Williams, Usher, Jennifer Hudson, Flo Rida, Brandy, Kid Cudi and Mary J. Blige.
Relevant evidence: No