Review of: The London Musicians' Collective: 'An Obstinate Clot of Invention', Trevor Barre (2020) London: Limbic, 233 pp., ISBN 978-1-52726-657-9, p/bk, £13.00 Pianos, Toys, Music and Noise: Conversations with Steve Beresford, Andy Hamilton (2021) London: Bloomsbury, 291 pp., ISBN 978-1-50136-644-4, h/bk, £81.00