Not given to routine planning, Steven Isserlis comes up here with a generous, characterful programme of early-Romantic masterworks—formerly B-road stuff, these days anything but—offset by two suspendingly beautiful song arrangements inimitably natural in their tessitura, utterly painful in their introspective longing. There's a forgotten little 6/8 Larghetto, too, by the dedicatee of Chopin’s Cello Sonata, Auguste Franchomme (1808-84), published in Leipzig in 1838, during the E-flat middle section of which Schubert, dead ten years, quietly dances the ether. Isserlis approaches both main works expansively, getting his 1726 'Marquis de Corberon' Stradivarius to sing, project and fade with beauty, form and expression foremost. More than once one is struck by how paragraphs and episodes breathe, surge and cadence, rests and silences given potent tension; this is finely articulate cultured playing—ruminant poetry and reflective musicality, aristocratically sus...