Stick most classical musicians in front of a studio microphone and they will try to replicate a perfect performance under perfect concert-hall conditions. But what if they were to conceive an interpretation instead, shaping it for private rather than communal listening? Pavel Kolesnikov took this approach, winningly, with Bach’s venerable Goldberg Variations in 2020, and now applies it in his championing of the piano music of Reynaldo Hahn.