The 18th-century Omani fort in Zanzibar is silhouetted against a clear African night. Nneka, a bird-like Nigerian female artist in shabby leggings, is hammering out “Vagabonds in Power” on an open-air stage inside the fort, just metres from a sea of entranced faces. The song is a poke at Africa’s leaders, specifically their part in the Niger Delta mismanagement and related death and corruption scandals. With a voice reminiscent of Nina Simone, and the emotional clout of Billie Holiday, Nneka delights the predominantly African crowd attending the Busara festival.

With the subject of the legitimacy of the label “world music” having just had another airing in The Guardian, it seems fitting that Mali’s favourite musical couple should be releasing their least “world music” album to date. For essentially, Folila (which translates as "music" in Bambara) is a blues/rock album.

Welcome to theartsdesk's first radio show with Peter Culshaw and Joe Muggs, recorded with the extremely able help of Brendon Harding at Red Bull Studio London.

In a year of mounting turmoil and uncertainty, it was easy to fall back on safe bets and comfort-zone reassurance. Addictive TV series offered a welcome haven from the angst of financial meltdown: Sarah Lund’s melancholy airs in The Killing offered a homeopathic cure for the gloom of double-dip recession. Breaking Bad, the saga of the cancer-struck physics teacher who takes to a life of crime was dark, funny and endlessly surprising. Downton Abbey, by way of a contrast, was well made and watchable, in a warmly soporific kind of way.

“It’s cultural imperialism,” a middle-aged gentleman felt compelled to say to me, presumably because I was the bloke with the notebook. “Then all pop music is cultural imperialism,” is what I should have fired back at him, had I not been so immersed in the transcendental racket of tussling brass and distorted guitars that had almost made him inaudible. But instead I took the scenic route of pointing out that this legend of 1970s Ethiopian jazz would hardly have spent the last seven years playing with these white Dutch musicians if he had felt he was being exploited.

Some critics have lazily compared Baloji to Somali rapper K’nann: both are African rappers who had lucky childhood escapes from countries about to descend into war and chaos, but beyond that they seem to have quite different approaches to what they do. K’naan is as much a pop musician and poet as he is a hip-hop artist, firmly concentrating on melody, song structure and hooks. Whereas Baloji, at least on the evidence of this album, seems to want to engage more with roots music while finding ways for his rhymes to fit in with already established musical idioms.

I’m stood in the dusk in front of the tomb of Sheikh Hamid al-Nil as the sun sets on Khartoum, reddening in the exhaust-filled air as it deflates over a receding jumble of low-rise blocks spreading down the banks of the Nile and out towards Tuti Island, where the waters of the Blue and White Nile meet. This is no quaint, picturesque view, though you do feel you're in some ancient theatre of humanity when you land in Khartoum.

Toumani Diabaté is the world’s greatest and best-known kora player. Plugged in deep to a musical tradition that goes back over seven centuries, this griot or jali takes his custodial role very seriously, but he is also an adventurer who has stretched the repertoire of his ancient strings by listening avidly to music from an astonishingly wide range of sources.

When I first saw this Malian singer-songwriter a few months ago at a showcase gig in a grimly carpeted basement bar in Clerkenwell it was hard to imagine a less appropriate space for such a regally beautiful woman to be found in. Yet within a couple of mantra-like songs she had conjured her own ambience, causing the tardy space to become irrelevant, at least until the last notes died away.

There’s more than one way to reinterpret or simply embrace the extraordinary wealth of Ethiopian music that Francis Falceto has given us with the still growing Ethiopiques CD series of 1970s Ethio-jazz (as the style has been inadequately labelled). For example, Dub Colossus were seduced by the dissimulating aspect of the music that they felt it shared with dub reggae. And the Heliocentrics embraced its “otherness” over which they imposed their own art-school sensibility. Somewhere between these two approaches comes Switzerland’s Imperial Tiger Orchestra.