Eavesdropping: Nathalie Forget & Audrey Chen

Kate Molleson presents recordings from this year's Eavesdropping festival of experimental music, curated by the singer Juliet Fraser and staged at London's Cafe OTO. Tonight, one of the world's leading players of the ondes martenot, Nathalie Forget, performs music by the Romanian composer Ana-Maria Avram and an improvisation in collaboration with vocalist Audrey Chen. Elsewhere in the programme, there's the chance to hear orchestral music by Katherine Balch and Oliver Leith in performances by the BBC National Orchestra of Wales and BBC Symphony Orchestra. Plus Minus Ensemble with two of their "covers" commissions - modern re-imaginings of landmark 20th-century compositions - and a suite of music for balls - marbles, ping-pong and basketballs - by Ryoji Ikeda recorded at the Barbican in February.