I showed you the distance between the letters 'A' and 'Z', between day and night."

VOA: special.2009.03.28

Musical performers also included Madonna,Jay-Z,Rihanna, Bono and the Edge.

VOA: special.2010.02.01

Otis B.Driftwood. And Doctor Hugo Z.Hackenbush.

VOA: special.2009.07.19

"The book is Darwin's Universe: Evolution from A to Z, and it is a life's work,"

VOA: standard.2009.11.25