As for the piece that 'blew me away', that was Szymanowski's First Violin Concerto. I'm familiar with some of Szymanowski's music...
If Mirror Image were here, he'd certainly be agreeing. If you don't know
Harnasie and the Stabat Mater, then don't delay.
For me, this is a bit of a recent find:

I used to have the Humoresques on this LP many years ago:

Yet another of those old Turnabout releases that goes straight to the top of the "Worst LP Art" thread. Needless to say, Kuusisto and the Tapiola are rather better (in sound and performance as well as cover art).