Tinariwen

The dude in the center, Ibrahim Ag Alhabib made his first guitar out of a tin can, a bicycle chain, and a stick. They were forced to fight in Muammar al-Ghaddafi’s army, have been living as nomadic refugees through out the Sahara, and recorded their first album in a makeshift studio. They’re probably one of the most badass bands of all time.

Agreed.

Here’s a sample: