The song "Rock Wit 'Cha" by JR Castro is a romantic R&B song about a man who wants to spend the night with his lover and make sweet love to her. He expresses his desire to rock and roll with her all night long, while also acknowledging her needs and desires. The lyrics suggest a sensual and intimate night filled with affection and passion. The song also references legendary soul singer Marvin Gaye and invites the listener to enjoy a dance together. Overall, "Rock Wit 'Cha" is a love song that celebrates the joy of being close to someone you love and desire.