Thanks to you all for the nice recommendations!
I recently found out about "Tiny Desk" concerts, they make quality video recordings of bands/artists playing in a small room. I don't know the context exactly but there is some nice music on that site. Very intimate concerts since the room is so small. Here is a four piece band from Mali, Songhoy Blues: http://www.npr.org/event/music/422880725/songhoy-blues
On the topic of music from Mali I must mention the album Toumani & Sidiki which sounds fantastic to me. The first song of the album:
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