Jörg Widmann: Arche review – ambitious welcome to the Elbphilharmonie fails to convince

Widmann’s oratorio celebrates the Elbphilharmonie concert venue

Ryoji Ikeda review – techno data storm assaults the senses

The Japanese composer and visual artist’s polyrhythmic techno confronts our digital dystopia

Gruppen review – LSO’s artful three-way split enthrals Turbine Hall

It was concert as surround-sound art installation: Simon Rattle triumphantly filled Tate’s giant gallery space with the ringing beauty of Stockhausen’s three-orchestra spectacle

Problem in Brighton review – novelty wears thin in David Shrigley’s indie panto

With songs about Jacob Rees-Mogg and moonboots, the artist gives us wacky indie rock for car exhausts and one-string guitars – but the truly quirky moments are spread too thin

Leonard Cohen: A Crack in Everything – Montreal’s tribute to its favourite son

The new exhibition was conceived as part of the city’s 375th anniversary celebrations – but has morphed into a thorough investigation of all things Cohen

Opera: Passion, Power and Politics review – a game-changing spectacular show

Costumes by Dalí, singing by Callas – and a life-size baroque stage: this plunge into 400 years of opera is an exhilarating, mind-expanding experience

True Faith; New Order + Liam Gillick: So It Goes review – Factory legacy holds sway

Joy Division, New Order and the label that nurtured them have made an indelible mark on the city, now celebrated in inventive and exhilarating art and music

New Order + Liam Gillick: So It Goes review – a suitably theatrical Manchester return

There are intensely emotional scenes as New Order revisit their back catalogue on a grand scale with synth orchestra, airing songs not heard for 30 years plus rapturously received tributes to the band’s fated predecessor, Joy Division

The Pink Floyd Exhibition: Their Mortal Remains review – look, a flying pig!

V&A, London The refracting prism, the businessman ablaze, the giant inflatable pig: they may be pop’s most anonymous band, but Pink Floyd’s artwork is instantly recognisable – as this stunning V&A show proves

Peaches Christ Superstar review – a searing, defiantly queer take on the crucifixion

Peaches’ reinterpretation of Jesus Christ Superstar retains the rock-opera roots of the original while infusing it with new meaning and her trademark humour

Björk Digital review – to virtual reality and beyond

The musician’s otherworldly VR album-exhibition shows that technology can’t quite keep up with her galactic-scale artistic ambition

Cecil Taylor review – double helping of magic from free jazz pioneer

At the opening of a gallery show devoted to his work, the 87-year-old composer and improvising pianist shows why he’s still a force like no other

Exhibitionism review – little satisfaction, except for Rolling Stones fans

This accumulation of detail from the Rolling Stones’ five decades tells you much about how they market themselves, less about the band

Lulu review – sex, art and murder create a landmark night for the Met

In a critical dialogue, Guardian US’s classical music and art critics review William Kentridge’s triumphantly radical production of Berg’s modernist masterpiece

Grimes at the Guggenheim review – an art-pop anticlimax

On the eve of her fourth album, Grimes played a Dior-sponsored concert in one of New York’s most famous buildings – but did she forget to pack her edge?