Music journalist and author Silvio Essinger reports from Rio de Janeiro.

Arne Berg is in Tromso in northern Norway for this week's Road Trip, reflecting both the country's mainstream roots-based music, and the songs of the Sami people.

In this episode, as Zimbabwe emerges from its years under Robert Mugabe and Zimbabwe's exiled musicians start returning to their homeland, the singer and traditional mbira player Hope Masike introduces tracks that reflect Zimbabwe's rich heritage – and its lively present.

The team behind World on 3 are excited to introduce a new world music podcast, Music Planet: Road Trip. In each episode, a local expert transports us to a different part of the world, taking us in to the heart of its culture via its music. There’s no passport required; just headphones. Join us for a new episode every week.