here's cbs chicago's audrina sinclair. - [bradley] hey, black child, be what you can be. - you need to speak with perfect diction. - [student] what did i see to be except myself? - entertain. - [christianna] it don't mean a thing if it ain't got that swing. - persuade. - i am the dream and the hope of the slave. - [student] you will stand straight, anchored to a spot, to give the audience all that you've got. - [audrina] but these pews are empty. - [olivia] read it again a lot louder. - [audrina] because this. - [olivia] okay, great. - [audrina] this is just practice. - [olivia] now let's start with the vocal warmups. guys, spread out. (student humming) take a deep breath. - ooh. - e! - all right. - i, o, u! - now that he's warmed up. - i'm bradley holt, and i'm seven years old. - [audrina] so young, but boy is his calling big. - everybody knows that i preach to my congregation of stuffies at home. one day my auntie heard me and told my parents that i need to participate in the oratorical society. - [audrina] the push excel oratorical society. do you feel powerful up there? - yes. it f