maybe that explains this. ♪ ♪ la may have low-riders, but houston has slab, its own car culture, with its own accompanying sound. its own chopped and screwed hip-hop style. ♪ ♪ >> slim thug: this is pretty much, like, one of the most classic signs of a slab. it's the cadillac. see i got the insides custom with the stitching and all that, so you know this is a complete slab, you know. >> anthony: full reclining is, uh -- >> slim thug: full reclining. it's a lay back thing. >> anthony: houston musical artist slim thug and his friends bone and david called some people to bring their cars over to macgregor park in the southern part of the city. if you're gonna do it, what do you have to have?