One of the major problems Africa faces today is the lack of clean water. It claims the lives of 4,900 children every day.
How does a water based company like Coca-Cola respond?
Natalie Johns and Vincent Moon journey through Tanzania to the Wami Ruvu Basin to see what's being done. They also visit musicians working hard to keep Tanzania's traditional music alive. "In music when you cry out everybody listens and understands in a minute."