No one disputes Martha Argerich’s pre-eminence as a concert pianist but her mercurial style has never really settled into a sustained relationship with the recording studio, so live recordings are prominent in her career – with all the blessings and curses implied by the form. Back in 1978 as a 30-something tearaway, she recorded Mozart’s Piano Concerto No 25 in C, K503, with a Netherlands Chamber Orchestra that never quite matched her virtuosity, making the subsequent release on EMI a little underwhelming. But now, as a cancer survivor in her 70s, she returned to this C Major work at last year’s Lucerne Festival with Claudio Abbado and his Orchestra Mozart in another live recording, but one which has an autumnal feel about it.

Tempi, dynamics, and of course the grand maestoso opening all seem about right, but as a whole the first two movements speak of mature masters returning to a loved work in a spirit of authority rather than with the sense of vivacity, inspiration and play that might normally be associated with Mozart in this key. Beautifully balanced in the recording, there’s just something missing, just that spark of inspiration or vigour for which no amount of technical excellence can...