Since you are interested in Julian Lloyd Webber - The Singing Strad, here is a list of other items that you may find interesting.
Martha Argerich - The Legendary 1965 Recording [remastered]
Martha Argerich (piano)
[ Warner Classics / CD - released 4/Jun/2021 ]
A recording that is indeed legendary, and now fully newly remastered in HD 192kHz/24-bit from original tapes.