Haha I thought the torrents of sweat were purely from the intense playing he was doing, I guess the weather/humidity was a factor too.
I had a similar experience with a Chopin waltz, where every pedal marking was written on the score and I could never get all the pedaling right and at the same time play beautifully, and then I've played a nocturne with virtually no pedal markings which sounded so beautiful when I used the pedal in certain sections.
It's just I'm always reluctant to use the sustain pedal, except where explicitly indicated on the score, because I read somewhere that one shouldn't use it as a 'crutch' and that being quite vague, it was left to my imagination to conjure images in my mind of me limping along to the music, sustain pedal crutch on one arm, score in another, audience watching pitifully as I fell over myself from bar to bar, trying desperately to make it through the music. I suppose I've neglected to learn how to pedal properly, maybe it's time I did so, I'll take a look at syncopated pedaling thank you for your help!