The song "Unbelievable" by Sunshine Anderson is about someone who is expressing their love and admiration for their partner. The singer is praising their partner for making them happy in every way and for doing things that are unbelievable. They talk about dedicating their mind and body to their partner and making them feel good, loved, and appreciated. The lyrics also mention that the singer is always on the road, but they want to make sure their partner knows they are the only one for them. The overall message of the song is about love and appreciation for a special and unique partner. The song uses authentic American expressions and colloquial language to convey the feelings of love and admiration for the partner. It also reflects the R&B and soul music tradition in the United States with its smooth and soulful vocals and lyrics.