tambores na comunicação: https://en.wikipedia.org/wiki/Drums_in_communication
ouça um mestre dos talking drums: https://www.youtube.com/watch?v=B4oQJZ2TEVI
o audiolivro The Information: A History, a Theory, a Flood http://www.audible.com/pd/Nonfiction/The-Information-Audiobook/B004L10YIM
experimente a audible grátis, eu super recomendo: http://usina.com/u/audible
