Iceland’s kings of heavy metal Momentum are launching into an assault called “The Creator of Malignign Metaphors”. It’s broad daylight and they’re playing about 10 meters from the kitchen window of a suburban-looking house. The stage is sited on an AstroTurf football pitch, with one of the goals pushed to the side of it. On the opposite side, kids are shimmying down a blow-up slide. Very little about G! conforms with the standard festival experience.

Nick Cave & the Bad Seeds: Nocturama, Abattoir Blues, The Lyre of Orpheus, DIG!!! LAZARUS, DIG!!!

Howard Male

The UK premiere of Wynton Marsalis's Swing Symphony (Symphony No 3) last night was extraordinary on several counts. We heard, first and foremost, a real dialogue between jazz band and orchestra. Not one of those fist-bitingly cornball jazz arrangements where the jazz players get to stretch out and the orchestral players sit back and contribute the sustained, saccharine harmonies. This was a genuine coming together where all hands contributed equally to the rhythmic, harmonic and melodic detail of the work.

“It’s the oldest building in England,” Ana Matronic said breathlessly. “We’re probably going to behead someone.” The Tower of London is an unlikely venue for the fizzy pop monster that is Scissor Sisters, who dedicated one song to Anne Boleyn. In the end, no executions, or drawing or quartering, but they did have a couple of oversized beefeaters (pictured below) flanking the stage and dancing. Seeing them top the bill at the BT River of Music at the Americas Stage, you realise just how many pop classics they now have at their disposal from their four albums.

Blur: 21

Bruce Dessau

What function does a critic even serve at an event like this? Some of the best Colombian musicians across several generations are playing some of the best music Colombia has ever produced to an audience that largely consists of blissfully happy Colombians on Colombian Independence Day. But before the party got into its stride there’s a non-Colombian support band to consider. And consider them we must, because Ghanaian Afro-funk band Konkoma were as coolly polished and insidiously funky as the headline act.

Peter Sellars has a talent for controversy, from his early days when he was the director who brought you Così fan tutte set in a diner on Cape Cod, Don Giovanni as a cocaine-snorting, Big Mac-eating slum thug, and Figaro getting married in Trump Tower. At his best, in John Adams's Nixon in China, Saariaho’s L’amour du loin, or his Teodora at Glyndebourne, the results have been some of the freshest and most inspiring stagings of new music seen in recent times.

The omens did not augur well for this one. Under The Bridge, a venue beneath Chelsea Football Stadium, used to be an iffy nightclub called Purple but has been redesigned by the man behind America’s House of Blues chain into a shiny visual fusion of TGI Friday's and the Hard Rock Café. Industrial girders are visible in the ceiling and the walls are plastered in top-notch rock and pop photography but, overall, there’s an ersatz, squeaky-clean vibe that’s going to take some piercing by any act who takes the stage.

Madonna earned her place in the pop elite many years ago, and there are many reasons for this, which needn't be reduced into a list. Certainly though, a big reason will be the obvious - how much better her fans' lives are with her songs in them.

Paloma Faith has always struck me as a few cuts above your average conveyor belt post-Winehouse soul sister. A recent appearance on The Graham Norton Show in which she gave Russell Brand as good as she got in the verbals department suggests that there's more to this former magician's assistant than meets the eye. And 15 minutes into last night's gig, the first of her two shows as part of Somerset House's Summer Series, she firmed up her gobby intellectual credibility by name-dropping lefty post-Structuralists Gilles Deleuze and Félix Guattari.