>> they say rap was passed to them by their founders. >> we come from the black founding family in oak park. they was like, you ain't playing basketball and shooting the hoop, you off in the rap. dance and entertain. you off in the rap. ♪ i weathered every storm embrace it when it come ♪ ♪ my dog's in the pound they want to lay us down with the tags still on us ♪ ♪ and life is the price that they try and give for us ♪ >> carthen say the zillas have their roots in rap. >> started is rap group, still a rap group, it's what we do. ♪ i want to tell the world it's me i love paper can't make it without me ♪ >> our focus the whole time has always been on music. we have everybody rapping. you go talk to a zilla, i will get 10 dollars to a bucket of crap that he raps. ♪ which kid that dug it ♪ i mean the gang's still the same it's changed [ bleep ] ♪ ♪ if i don't get him the gang get him ♪ ♪ all that publicity stuff