It may be mean to say, but it seems sadness agrees with Tim Hecker. The Canadian has been a mainstay of the global experimental music world almost since the turn of the millennium, sitting somewhere between neo-classical, shoegaze, ambient and abstract noise. His tracks are always delicate, always poised, sometimes veering a little into harsh distortion though rarely if ever enough to scare the horses; and they seem to be at their best when they're at their sparsest and most desolate.

Until now, hearing the extraordinary “Ratidzo” was all-but impossible. The original single is rare and has not been reissued before. It begins with a plaintive whistle which sets the scene for a hypnotic and beautiful rotating pattern of single notes possibly played on a gamelan-style instrument. Rhythmic accompaniment comes from a form of shaker. It is not instantly possible to place where this music is from. Eastern Asia? Hawaii?

The post-modernists have taken over the asylum. At least, that's what I thought twice this week. Once when I saw Vlad Putin on YouTube doing karaoke to an adoring audience. The other was seeing Brazil’s latest contenders BaianaSystem, who played to a sweaty packed-out house at the Village Underground. "Post-modern" in the sense of beyond defineable genre and with a dose of irony thrown in, and not quite beleiving what is in front of your eyes.

In the days around WOMAD there have been plenty of media about how the “hostile environment” towards migrants has created all sorts of problems for artists attempting to get here from around the world.

Even seasoned veterans can suffer from programme amnesia over the four days and nights of rock, pop, dance and traditional music from around the world to be found at WOMAD, such is the array of choices across its 10 stages, ranging from the main arena through to the Ecotricity stage in Charlton Park’s leafy Arboretum – also home to the World of Words and Taste the World tents, the gong bathers and tarot readers in

He's known for his myriad collaborations – Public Image Ltd, Primal Scream, The Orb, The Edge, Can, all the way through to recent work with singers PJ Higgins and Hollie Cook – but Jah Wobble really deserves attention in his own right. A cosmic Cockney of immense erudition, he has created some extraordinary fusions of global sounds, ambient, electronica, post-punk and more.

Summer’s here and the time is right for dancing in the street. To vinyl. Only theartsdesk on Vinyl doesn’t just cover music for dancing, it covers every style of music imaginable (with a good showing for pop this month). Whatever your taste, from the heaviest rock to the lightest ambient music, theartsdesk on Vinyl will review it along the way. Enough intro, though. More juice.

Music from Sudan is overshadowed by the country’s recent history. At the end of June 1989, Colonel Omar al-Bashir assumed control and it became a one-party state. Shariah law was introduced. Osama Bin Laden was resident in capital city Khartoum from 1991 to 1996. Tension between the mostly Muslim north and mostly Christian south undermined any facade of stability al-Bashir sought to impose. The south was declared independent in 2011. Conflict in Darfur, in the west of the country, left 300,000 people dead and led to just over 3 million displaced people.

Essaouira, on Morocco’s Atlantic coast, is the place of winds. Day or night, hot or cold, year in, year out, the “Alizee” blows, and it blows. In the local folklore it is not from the ocean but a grumbling resident of the medina – perhaps protesting the town’s rapid recent expansion, its port’s modernisation and the loss of legendary Chez Sam, the restaurant once beloved by an Othello-filming Orson Welles.

Hot in the burning footsteps of Bargou 08, last year’s subtle but daring mix of traditional Tunisian sounds and electronic beats and textures, Sofyann Ben Youssef launches a new project under the name of AMMAR 808, Maghreb United.