If ever there were a week for London to celebrate Poulenc in the lamentably under-commemorated 50^th anniversary year of his death, this is it. Two major choral works and two fun concertos at last join the party. But if Figure Humaine and the Concerto for Two Pianos look like being well positioned in the BBC Symphony Orchestra’s Barbican programme on Saturday, Yannick Nézet-Séguin’s chosen two were the victims of his own success in Prokofiev interpretation.

Still only a year out of college, the diversely gifted trumpeter, composer and bandleader Laura Jurd has risen rapidly to prominence, enterprisingly bypassing the ritual of hanging around to be noticed by creating her own scene and ensembles. One of these, the Chaos Collective, this week curated a small festival in which another, the Chaos Orchestra, last night performed a range of new work. Most hotly anticipated were the arrangements of Stravinsky’s Rite of Spring, celebrating the centenary of its first performance.   

For the Leipzig Gewandhaus Orchestra’s second residency at the Barbican Centre Riccardo Chailly pulled focus on an entirely new sounding Brahms. Gone were all those bad performance practices, bad habits, from the early 20th century, gone was the lingering romanticism, the willful soupiness, and in with a vengeance came a classical rigour, a lean and hungry vitality.

I’d not previously identified much comedic potential in Mahler’s gargantuan Sixth Symphony, a piece which would feature prominently in many people’s lists of most depressing works. Which presumably explains why this astonishing concert wasn’t a sell-out, and why the prevailing gloom prompted a fair few audience members to make an intrusive dash for the exit before the double basses sounded their final pizzicato.

Brahms Beloved: Symphonies 2 & 4, Clara Schumann Lieder Orchestra Sinfonica di Milano Giuseppe Verdi/John Axelrod, with Indra Thomas, Nicole Cabelle (sopranos) (Telarc)

Milton Court’s new concert hall is a mighty small space, but the BBC Singers under their chief conductor David Hill were determined to launch their residency there with a musical epic of world events from Genesis to the post-nuclear era. And they carried it off triumphantly, if with some ear-singeing resonances, in American works from the last 66 years ringing with bright tonalities. The real surprise was to find Nevadan choral guru Eric Whitacre reaching for the stars as confidently, if not as consistently, as Steve Reich in his 1984 masterpiece The Desert Music.

Britten’s innate theatricality shines through every single bar of his War Requiem. Atmosphere, drama, suspense, and high emotionalism are to a greater or lesser degree written into the piece (something which the naysayers always latch on to).

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Sean Hickey: Cello Concerto, Clarinet Concerto Dimitry Kouzov (cello), Alexander Fiterstein (clarinet), St Petersburg State Academic Symphony Orchestra/Vladimir Lande (Delos)

Toby Spence’s recovery from thyroid cancer is a cause for rejoicing, but surely it’s time we focused our attention back on his work rather than his medical condition? Apparently not. The pre-publicity for this Wigmore Hall recital made great play of the “profound insights into the human condition” that the singer acquired during his convalescence – a claim that must have ladled extra pressure onto him as he prepared his programme.

L’Arpeggiata are everything that crossover should be and everything that this arranged marriage of genres so often isn’t. The work of lutenist Christina Pluhar and her band of period musicians is organic and authentic, a blend of musics that amplify and enrich one another, a conversation between friends and equals.