Hello, I was wondering if you could give me your views on what would be an acceptable minimum tempo for the first movement of Mozart's Sonata in D Major, K. 311, marked Allegro Vivace. I understand that the metronome range for Allegro starts at 120, but I can't play accurately at this speed throughout (I think that most professional pianists play this piece at this speed, if not faster). I can manage this movement at about 112, but I have recently played it to a piano teacher and he said I'm way too slow and would fail my diploma exam straight away. What is your view on this? Many thanks.