Since the '90s, vocalist Toni Braxton's dual command of the sultry, empowering slow jam and the spine-tingling, emotive ballad has made her a dominating force in R&B. And in her lesser-known cuts, her deep, purring, gospel-trained voice pours out with equally delicious results: smooth as butter on Babyface collab “Take It Back,” soulful and spicy on “Take This Ring,” raw and folky on “Shadowless.”