In the 1990s Maria João Pires recorded all the Mozart keyboard sonatas for DG on a modern concert grand. She played with perfect balance and poise, and the sound was creamily beautiful, even in the allegros. I wouldn’t be without that set, but turn to Bezuidenhout and you’ll notice a more subtle and varied range of colours, especially at the dark end of the spectrum.

The young South African pianist plays a copy of an Anton Walter fortepiano from 1802. He finds a burnished depth of tone in the middle register that really works for the plangent andante cantabile of the C major Sonata (K330). This reading is intimate and deeply felt: as much a tribute to Bezuidenhout’s focused, imaginative playing as it is to the tone of his instrument.

Similarly, he launches into the finale with uninhibited joyfulness, the rasping accented bass notes delightfully brusque. He is equally deft at wringing emotion out of the chromatic turns of phrase in the minor key works. Among these are the moody Adagio in B minor, thought to be Mozart’s lament upon the death of his father. While the fortepiano’s action inevitably produces a modicum of clatter in forte passages, that is a small price to pay for such committed performances. Keep Pires, but please sample Bezuidenhout.

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