Originalus: Birthday. Composed by Katy Perry, Bonnie McKee, Max Martin, Lukasz Gottwald, and Henry Walter. Arranged by Victor LÃpez.
Vertimas: Gimimo diena. Sudarytos Katy Perry, Bonnie McKee, Max Martin, Lukasz Gottwald, ir Henry Walter. Surengė Victor LÃpez. Pradžia.