Things To Do Today In London: Friday 21 April 2017

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Purple Rave at Clapham Grand

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Things to do today

WORLD PHOTOGRAPHY AWARD: This year's Sony World Photography Awards exhibition opens today, displaying shortlisted photographs from around the world. This year, there's also a special exhibition of work by Martin Parr. Somerset House, £7-£18, book ahead, 21 April-7 May

HEAVY METAL YOGA: Forget the waterfalls and birdsong — this yoga class is for the hardcore only. A yoga class that helps you unleash your inner beast rather than tame it. Gymbox Bank, £20/free, book ahead, 8am-8.45am

WAR PROPAGANDA: Head to the recently reopened National Army Museum for a talk about how love and attraction were used in propaganda to mobilise the nation during both world wars. National Army Museum (Chelsea), free, book ahead, 11.30am

GUN SALUTES: If you're in the vicinity of Hyde Park around midday, brace yourself for a 41-round gun salute. It's all in honour of the Queen's birthday. Don't say we didn't warn you. Hyde Park, free, just turn up, noon. If that's not enough bangs for you, there should be an even larger 62-round salute at the Tower of London at 1pm. Never let it be said that one does not know how to party.

HOLOCAUST TALK: Follow the journey of Holocaust survivor Zahava Kohn, through her letters, photographs and documents in the National Archive's collection. Then hear Zahava herself speak, followed by words by her daughter providing a second-generation perspective. The National Archives, free, book ahead, 1.30pm-3.30pm

Heavy Metal Yoga at Gymbox Bank

SISTER ACT: Watch 1992 film Sister Act accompanied by a live gospel choir (the audience is encouraged to sing along). The film is about a woman who goes into witness protection hiding — in a convent. Central Hall Westminster, £40/£35, book ahead, 1.45pm/6.45pm

CARRY ON CURATING: Celebrate the V&A Museum's recently acquired Tommy Cooper collection with a night of museum comedy. Performers include John Lloyd and Nish Kumar. V&A Museum, £15, book ahead, 7pm

FREE FILM FESTIVAL: It's the start of the New Cross and Deptford Free Film Festival, and it's launching with a sensory overload. The film is Chef, the tale of an acclaimed chef who gets frustrated with the mundanity of the food he makes so quits to start his own food truck to rediscover his passion for food. The White Hart, free, first come first served, 8pm

ELECTRONIC MUSIC: Limbs is a new home for live electronic music in London that aims to bridge the gap between the club and the concert hall. It's an intimate setting underneath Haggerston's railway arches. Tonight sees performances from Mined, Two Legs and Rainbow Shark. Limbs, £5 book ahead, 8pm-midnight

PRINCE: It's nearly a year since the master of flamboyant master of funk Prince passed away, so head down to Purple Rave. DJs will be spinning Prince tunes and there's a screening of Purple Rain to boot. Clapham Grand, £10, book ahead, 8pm-3am

Art review: a chaotic reconstruction

Courtesy Focal Point Gallery, Southend. Photo: Manuela Barczewski

Paul Johnson has recreated his artist's studio inside the gallery, but everything is fragments. He takes mundane coffee cup lids and creates casts of them — bringing permanence to throwaway items. It's a chaotic glimpse into the creative mind. Paul Johnson: Teardop Centre at Camden Arts Centre, Arkwright Road, NW3 6DG, until 18 June, free ★★★☆☆ (Tuesday-Sunday) Tabish Khan

Art review: far too conceptual

Copyright National Museum of Contemporary Art, Bucharest

Across two galleries is the work of Romanian conceptual artist Geta Bratescu. She works across many mediums including textiles, photography, video and performance. However, the work is far too conceptual and difficult to extract anything from. Geta Bratescu, The Studio: A tireless ongoing space at Camden Arts Centre,  Arkwright Road, NW3 6DG, until 18 June, free ★★☆☆☆ (Tuesday-Sunday) Tabish Khan

Good cause for the day

RAVING IRAN: Book ahead to see the story of two persecuted DJs in Iran in this documentary followed by a Q&A. That will then be followed by the DJ duo featured in the film — Blade & Beard — spinning out some tracks for a party in their UK debut. Proceeds go towards the homeless charity Crisis. Village Underground, £40 for whole event, £7 for just the party, book ahead, 27 April, 7pm-2am

Fun things to do with our friends and sponsor Funzing...

Festive Interactive Harry Potter Tour

Get sorted into one of the four magical houses of Hogwarts, and go in exploration of the city’s famous filming locations on this 2-hour walking tour. You’ll meet your guide outside the Palace Theatre, where Harry Potter and the Cursed Child is showing, and set off on your journey across town - following in the footsteps of Deatheaters, visiting the inspiration for Knocturn Alley, and marvelling at the Ministry of Magic. And you better brush up on your Potter knowledge, because you can earn points for your house along the way, by taking part in trivia quizzes. The winners? You’ll find out when the tour ends at Platform 9 3/4… Get tickets

A Secret London Tour

How well do you really know London? Visit the streets that inspired Harry Potter locations and see London's most superstitious hotel. On Matt's tour you will explore hidden places and discover stories unknown to even the most knowledgeable of Londoners. Get tickets

Step on Board the Haunted Tube Express

The London Undergound is over 150 years old, and it's seen a thing or two in its time. Are you brave enough to face the ghosts of the Underground? Travel through the home of the Bank's Black Nun, learn about the elderly angel who saved a tube worker from death, and come to face to face with Farringdon's screaming spectre. Bring your oyster card and discover the hidden secrets of the Underground. You'll need to have an Oyster card or travelcard for this event. Get tickets

Forgotten Old London

Have you visited London's Roman ampitheatre? What about London's Medieval market places? Hear weird and wonderful tales of our beautiful city as you take a walking tour, seeing everything from centuries-old churches to the hanging place of William Wallace. Whether you've lived here all your life or are visiting for a few days, you're sure to learn something new about London. Get tickets