Both great pieces for encores and not without performing challenges. I had planned to present Scarlatti's K29 (L461) with the scherzo as I believe it inspired Mendelssohn, but time limiting and it is a particularly challenging sonata so I will make the presentation later.

Scherzo WOO3

Musical Sketch Bb WOO5

Given enough time, I'll play anything. Given all time, I'll play everything.