Test recordings sit alongside her famous performances of Mahler and Gluck on a centenary disc reminding us of the late, great contralto's ability to move her listeners, writes Nicholas Kenyon
The SCO gave a cheerful, rough-and-ready account of Bach's Cantatas 1, 3, 5 and 6 that had plenty of pep, but less in the way of inner pathos, writes Kate Molleson
Virtuosic both compositionally and in the demands they make on performers, this sequence comprises a compendium of technical skills that display Bach's astonishing range, writes George Hall