• Chopin’s last work was a cello sonata - the only one he wrote, and one of a mere handful of his compositions not exclusively for the piano. The inspiration in part was his cellist friend Auguste Franchomme, also something of a composer. With the Hungarian pianist Dénes Várjon (on Hyperion), Steven Isserlis has framed Chopin’s sonata with the early Introduction and Polonaise brillante in C major, as well as Franchomme’s attractive if hardly remarkable Nocturne in C minor and Schubert’s ever popular Arpeggione Sonata in A minor (written originally for the near-extinct six-stringed, bowed, guitar-like arpeggione). From the majesty of the Chopin to the simple elegance of the Schubert. Isserlis’s singular mellow lyricism suits this repertoire perfectly. Várjon is deft and poised in accompaniment. The bonus is a Schubert song, Nacht und Träume, transcribed for cello and piano by Isserlis, an unmitigated nocturnal pleasure.

• Night is at the heart of Várjon’s solo disc for ECM, De la nuit, which features Schumann’s Phantasiestücke, Ravel’s Gaspard de la Nuit and Bartók’s Im Freien (Out of Doors). Each work has an unconventional format, a mood of fantasy, and a programmatic element. Várjon’s brilliant technique and imaginative approach make a strong narrative out of each. Bartók’s Im Freien, from the lusty drums and pipes of the opening to the furious Chase, is wonderfully interrupted by the slow, strange mystery of the fourth piece, “The Night’s Music”.

• The Royal Northern Sinfonia celebrates its 60th anniversary with a bumper concert today at its home, Sage Gateshead, conducted by Lars Vogt, and with soloists soprano Sarah Tynan and harpsichordist Mahan Esfahani. Works include a birthday premiere by Errollyn Wallen, Mozart’s Exsultate, jubilate, plus music by Fauré, Poulenc, Prokofiev, Haydn and Brahms. Hear it on Radio 3 on Tuesday, 7pm, or on iPlayer shortly after.