I must confess that when I first heard about Staff Benda Bilili - a Congolese band partly made up of paraplegics – I felt a little uneasy. The last thing that one wants as a (hopefully) trusted critic is to feel compromised by an obligation to give a positive review, or feel guilty about lessening their chances of bettering their circumstances with a bad review. Yes, the vanity and solipsism of your reviewer has no bounds!

Many press releases from now up until Christmas are sure to begin with the words, “Fresh from wowing the crowds at Glastonbury…”, but that’s not going to stop me using them now with reference to this great Malian band. This is because we world music journalists feel a particular swell of pride when one of our beloved acts breaks through the Womad glass ceiling and gets to bring their complex polyrhythms and weird-looking instruments to the mainstream music fan. And what’s more, in the case of Ngoni ba, I’m sure that they genuinely did “wow” that sea of sun-burnt punters, because having seen them at least half a dozen times I’ve yet to witness an audience that hasn’t been pulled into their vortex of duelling ngonis, thumped and slapped calabash, and sweet soaring vocals.

Today Rinse FM, London's leading pirate radio station, announced it has been granted a legal broadcast licence after 16 years of illicit transmissions. It's almost impossible to overstate how potentially momentous this event is for the UK's most vibrant and promising music scenes, and what opportunities it presents for artists, personalities and record labels ranging from the deep and experimental to the most flagrantly commercial. From the rumbustuous, teen-friendly fun of Scratcha's breakfast show to the experimental electronic jazz and funk of Alex Nut at Saturday lunchtime to various hard and dark grime and dubstep shows - as often as not playing exclusive music fresh from the hard drives of its creators that may never even become commercially available - it is a brilliant representation of London's cultural vitality in the 21st century.

Religion, and a sense of the revival of belief, is such an important part of everyday life in the wider population that it is one of the stranger facts about contemporary theatre that so few plays tackle this subject. In fact, the last new British play to do this at the National was David Hare’s Racing Demon in 1990. Now, 20 years later, the same Cottesloe theatre space bears witness to a new play, which opened last night, about the same subject.

With a title like that, and a slug across the posters that so boastingly prejudges last night's premiere, some of us might keep our sceptical specs on when we turn up at the spirits-lowering Peacock Theatre to see this latest leap by mainstream stage forces onto the bandwagon of the most exciting trend in dance of the past 15 years. Sheathe those sceptical specs. This is a show blazing with talent and young exuberance, and it will rejuvenate you faster than a Red Bull.

It's common to feel a real sense of doom when you approach the Elephant and Castle Shopping Centre. But it’s not the dodgy hoodies that turn your legs to jelly, it’s the sheer ugliness of the architecture. Yes, aesthetically, this is urban hell. But it’s also the site of the Royal Court’s Local project, in which a rundown shop unit has been turned into a makeshift theatre. Random, a spirited revival of Debbie Tucker Green’s 2008 play, is the first of a season of edgy dramas to make the trek from Sloane Square to Southwark.

Over the past decade, much of the energy in new writing has come from black Britons. Homegrown talents such as Roy Williams, debbie tucker green and Kwame Kwei-Armah have sent us updates about the state of hybrid, streetsmart culture, and alerted us to the experiences of minorities. In doing so, they have reinvented punchy dialogue, with stage chat that zips along with dizzy humour and linguistic freshness. Hot on their heels comes Bola Agbaje, whose latest play has just opened on the main stage at the Royal Court.

Early on in Michael Samuels’ unremittingly sombre film about Winnie Mandela, the star-crossed heroine made the observation that being married to Nelson meant you were also married to “the struggle”, and would inevitably end up in Nelson’s shadow. So it proved. Even as she went to meet Nelson (David Harewood) as he was finally released after 27 years in jail, Winnie (Sophie Okonedo) was advised to learn from the example of Prince Philip and the way he walks dutifully one step behind the Queen.

Roy Williams is one of the most prolific, and most lauded, British playwrights. Born in Fulham, south-west London, in 1968, he had by his mid-30s already won a shelf-full of awards, to which he added an OBE in 2008. His debut, The No Boys Cricket Club, won the Writers’ Guild New Writer of the Year award in 1996. Two years later Starstruck won three major awards. In the early 2000s Lift Off and Clubland were also successes. In 2004 Williams won the first Arts Council Decibel Award, given to black or Asian artists in recognition of their contribution to the arts.