Great question! Unfortunately the only pieces I love playing are the ones I can't play. Lol. Chopin's Revolutionary Etude and Liszt's Sixth Hungarian Rhapsody. I can't get enough of them for my own enjoyment, but when I play them for teachers, they say it makes their ears bleed (hyperbole, of course 😉).
I'm really liking this new forum, so here's a recording of me playing:
Favorite to listen to? I adore fast music and anything by Cziffra. Maybe his live recording of Totentanz.