Karlheinz Stockhausen, Bruno Maderna and Pierre Boulez conducting the rehearsals for the world première of Gruppen on 24 March 1958 in Cologne.

Andrew Clements reviews Sunday night’s performance of Gruppen, “one of Stockhausen’s most iconic works”, with Martyn Brabbins, Baldur Brönnimann and Geoffrey Paterson conducting the London Sinfonietta and the Manson Ensemble.

Find the full review on The Guardian.

The concert will be broadcast in Radio 3's Hear and Now on 19 October.

“A sensual musical bath of sonorous reverberation and exotic resonance, music that shimmers and glints with a seductive play of instrumental timbres”

Tom Service on Pierre Boulez’ Sur Incises in today’s Guardian

In the same article, Gillian Moore, the Southbank Centre’s head of contemporary culture, asks if Boulez’ Pli selon Pli is “greatest orchestral work of the past 50 years”.

The Southbank Centre’s Exquisite Labyrinth: The Music of Pierre Boulez, takes place from Friday 30 Sept to Sunday 2 Oct.