here's an article entitled 'pianists and executioners' i think it's a good readwww.hungarianquarterly.com/no164/20.html
That's pretty good, except for one thing, a surprising error (or just laziness) for a scholar of Alan Walker's repute:--"Why do you play it so fast?" Horowitz was once asked."Because I can", he replied.--Actually, Horowitz asked Simon Barere after a performance of the Schumann Toccata, that question; and Barere gave that answer.
That's pretty good, except for one thing, a surprising error (or just laziness) for a scholar of Alan Walker's repute:--"Why do you play it so fast?" Horowitz was once asked."Because I can", he replied.--Actually, Horowitz asked Simon Barere after a performance of the Schumann Toccata, that question; and Barere gave that answer.Walter Ramsey
but, virtuosity on a violin exceeds piano, imo. haifetz cannot be outdone
On the other hand, I do find it rather annoying when performers play fast to hide their musical inabilities
I am of the personal opinion that classical performance is being gradually sped up because that is the only thing in which any objective competition is really possible. Sort of like a musical olympics competition.