If Gospel Rap is not your thing then that's cool, but because we as Christians cannot relate to something does not make it out of the will of God. To say that something sound's too much like the world is kind of crazy. In that aspect there can be no Christian love songs, Jazz, Rock, Spoken Word because it sounds too much like the world. All these are forms of music where there is Christian Representation.
We can't pick and choose how we would like to God to move. God moves through Music as well as the spoken word. The bible does not say what type of music is acceptable, so let's not add anything. .
Let's encourage those out there who are upholding God's standard in the various genres, not break them down.