Brett Young’s Baby Makes a Surprise Appearance on His New Single: ‘She Was a Little Musician Before She Knew It’ Before you even hear Brett Young‘s first tender words on his new single, “Lady,” you hear something else: the steady rhythm of his daughter Presley‘s fetal heartbeat, recorded during a doctor’s visit when Young’s wife, Taylor, was just two months pregnant. “Yeah, she was a little musician before she knew it,” Young, chuckling, tells PEOPLE exclu…