Mary Esterheld wondered:

>whether any pianists  have damage to the left hand and can only play
>with the right? Or if there are any major works (concerti, etc.) for
>right hand only?

The English pianist Cyril Smith (1909-1974) suffered a thrombosis in 1957
as a result of which he lost the use of his left arm.  With his pianist
wife Phyllis Sellick, he extended his career by playing concertos and
arrangements for three hands.  I have an EMI LP of concertos by Arnold,
which was later released on CD, and by Bliss and Jacob which, AFAIK,
weren't.

Richard Pennycuick
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