In a DVD, a CD, notes, and photographs, the filmmaker/photographer documents the music of 13 Ethiopian tribes with extraordinary thoroughness. In 2009, filmmaker/photographer Olivia Wyatt traveled ...

Addis Ababa, Ethiopia – The Lower Omo Valley in south-western Ethiopia is a vast and rugged region of mountains and valleys, inhabited largely by nomadic agro-pastoralist tribes numbering some ...

The Dassanech people make up another tribe in Ethiopia’s Omo Valley. (Brent Stirton / Getty Images) 3 / 3.