the voice.oetry is dunbar, edgar to vincent , edna st. human, it's music for the spirit.professors of literature looking at what is called concrete poetry, poetry which is to be seen and so how it is shaped is so important to the poetry. that's fine. that may be true. but for me, until the human voice gives it elevation, it doesn't realy sing. it doesn't come into its own. it doesn't lift the highs -- heart and make the blood race. >> of all the talents you have, what one resonates most with you? what one is the clearest expression of who you are and what you are? >> i'm a writer. that's what i am. that's who i am. that's how i described myself to myself and to god in prayer, when i say, lord, you remember black angelou, 6'0" female, i write. when i feel i have to describe myself to the lord, i always include what i do. i write. that's what i do. i thank the lord i'm able to do other things, i'm grateful, but that's how i describe myself to myself. >> is it in your judgment, a learned craft? or is it -- >> everything is learned, charlie rose. i don't know how you learn it