Anyone know any good Friendship songs in Rap or R&B or Hip Hop?

Anyone know any good Friendship songs in Rap or R&B or Hip Hop?My friends are starting school and are moving away from each other. And we are really into Hip Hop/Rap/R&B. If anyone have any suggestions please help me.

Dwight & Nicole - Wait

I think this would be best for your friend. I also listen to this song while mine trip from new york to niagara falls with my mates and make my visit memorizing. So live to say buddy try this at least once.

Well, I am going to suggest you ever green and best song by Justin about friendship. so here we go,

I am so sure that you will like that. As I personally like that. My one cousin dedicated me this song while i was busy with niagara falls ny bus. and seriously it is so heart touching.