So you want to be a concert piano technician?

Listen to the cadenza from 4.47 noting especially 10.00 - 10.40 and
the finale from 29.13.

Is this a case of:

a. Pianist in a hurry and playing wrong notes?

b. Piano with unsatisfactory repetition and needs regulation?

c. Pianist exceeding piano capacity?

d. None of the above?