The Documentary Podcast: Archive 2014 BBC World Service

One boat, two families; trying to escape war in Syria, desperate to start a new life in Europe. In October 2013, dozens of migrants aboard that boat died, as it travelled across the Mediterranean Sea. But some eventually made it to Malta. What happened next?

The richest man of all time was 14th Century monarch King Mansa Musa, who reigned over Mali from 1312 to 1337. His fortune came from gold and salt, and control of trade routes.

A startling 300-year journey of a Stradivarius violin through the lives of geniuses, dictators, refugees, and the Milwaukee thieves who stole it from violinist Frank Almond.

How ordinary people – soldiers, mothers, nurses, even children – experienced World War One and the little-known human side of the world's first truly global conflict. With stories of love, loss, hope and fervour.

Assignment follows Abdi Nor, a winner of the annual US green card lottery, as he attempts to escape from a life of poverty in Kenya and realise the American dream.

Is karaoke now an art form? Music critic Katie Puckrik hits the clubs in Portland, Oregon, to find out.