Radio National had an hour of ghana music on the Into The Music program a couple of days ago. The blurb goes

The Wounding Song
Into the Music explores the wild and vibrant Maltese vernacular singing known as Ghana, in this special feature by Australian composer Robert Iolini.

Transcript & download available (for the time being, anyway) at
http://www.abc.net.au/rn/intothemusic/

This is truly wild stuff - it won't be to everyone's taste. My wife's reaction was that she had never heard anything so unmusical. My reaction was similar to the way some people react to the sight of a car crash - gruesome, but you can't tear yourself away.

See for yourselves.