I heard her speak when I was 16 years old at Hofstra University in New York.  Her voice was deep and beautiful.

CNN:

http://www.cnn.com/2014/05/28/us/maya-angelou-obit/index.html?hpt=hp_t1

Angelou reading “And Still I Rise,” also at CNN:

http://www.cnn.com/video/?/video/living/2009/07/24/bia.angelou.rise.cnn&iref=allsearch