Hannah Kendall brought a tea kettle to the Barbican, and it was the most politically loaded prop in recent orchestral memory. Her LSO commission, I have discovered the secret of death — the title drawn from Guyanese poet and activist Martin Carter — opens with textures that feel like sound under surveillance: scratches, whistles, piano tremolo, jingles. You're not sure whether you're in a concert hall or a transmission that keeps breaking up. Fleur Barron was placed not as a soloist but as another voice inside the orchestral texture — amplified yet obscured, singing through her hands, through a harmonica, through the narrow whine of kettle steam. The effect is less performance than controlled deprivation: you catch words, then lose them. Kendall's programme note explains the kettle's historical resonance — a tool of resistance during slavery — but the music doesn't need the explanation. What it communicates without help is the effort to speak when speech is made difficult, to breathe when air is rationed. The violence in the piece is precisely placed. Those sudden slam-dunks of timpani and double bass pizzicato aren't decorative; they arrive like interruptions, the kind that come from outside. The music boxes — a Kendall signature — float in afterward, slightly uncanny, the way memory does after shock. This is a composer who has figured out how to make orchestral forces feel intimate and menacing at the same time. The rest of the programme was Antonio Pappano doing what Pappano does with the LSO at full power: confident, colorful, unsubtle in the best sense. Liadov's The Enchanted Lake was all glistening surface — saccharine and beautiful, Wagner's Tristan crossed with spun sugar, a maximalist miniature that knows exactly what it is and delivers without apology. It was the right palette-cleanser. Tchaikovsky's Fifth got the primary-colours treatment: the rustic oompah of the first movement, the genuinely tender horn solo in the second (the kind of playing that makes you remember why you like orchestras), the witty phrasing in the waltz. Pappano pushed the countermelodies and rhythmic chug as far forward as the big tunes — a reasonable interpretive choice, and one that keeps the architecture audible rather than letting it collapse into sentiment. The climaxes were turned up to brash. Nobody left confused about what they'd heard. But it was Kendall's twenty-odd minutes that will stay. The Tchaikovsky was a very good performance of a very familiar piece. Kendall's commission was a composer asking what the orchestra can be made to mean — and getting a real answer.