The song "Tonight's the Night" by Janet Jackson is about a romantic night shared between two people. The lyrics suggest that the couple should disconnect from the world, relax, and enjoy each other's company. The song has a sensual quality to it, with the singer urging her partner to let their inhibitions run wild. The message of the song is that love is a powerful force that can overcome any obstacles in its path. Janet's vocals are soothing, smooth, and seductive, perfectly capturing the mood of the lyrics. Overall, "Tonight's the Night" is a song about intimacy, passion, and the beauty of sharing an unforgettable night with someone you love.